Maths simplyfing = 5(10x+8)(2x+2)^3 Watch

Kitty-meaw
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Does anyone know the answer to this please?

5(10x+8)(2x+2)^3
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mathscot
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(Original post by Kitty-meaw)
Does anyone know the answer to this please?

5(10x+8)(2x+2)^3
Giving you the answer straightaway on hgere is frownned upon so I'll just help you work through it. Start with the easy bit 5(10x+8) and times it out

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Kitty-meaw
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(Original post by mathscot)
Giving you the answer straightaway on hgere is frownned upon so I'll just help you work through it. Start with the easy bit 5(10x+8) and times it out

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i had already worked it out i just wanted to check to see wether i got the right answer or not = 400x^4+1920x^3+1760x^2+1360x+320 ?
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mathscot
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(Original post by Kitty-meaw)
i had already worked it out i just wanted to check to see wether i got the right answer or not = 400x^4+1920x^3+1760x^2+1360x+320 ?
I got 400x^4+1520x^3+2160x^2+1360x+320 using two different methods

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Kitty-meaw
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(Original post by mathscot)
I got 400x^4+1520x^3+2160x^2+1360x+320 using two different methods

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ok thanks, i must have added it wrong somewhere
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CplSkippy
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Does the ^ represent an = ?


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mathscot
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(Original post by CplSkippy)
Does the ^ represent an = ?


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No it represents to the power of hope that helps

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mathscot
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(Original post by Kitty-meaw)
ok thanks, i must have added it wrong somewhere
That's OK there was alot of numbers so its easy to make a mistake

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CplSkippy
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Ohhhh...I only work in handwriting 😂📝


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mathscot
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(Original post by CplSkippy)
Ohhhh...I only work in handwriting 😂📝


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Me too normally its just the computer doesn't seem to do the same thing

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CplSkippy
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And where is the power meant to be around? Aghh brackets! 🙈


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CplSkippy
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Surrender!


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mathscot
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(Original post by CplSkippy)
And where is the power meant to be around? Aghh brackets! 🙈


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The x

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CplSkippy
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Meh! Pictures should be posted to make life easier! 😂🙈
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L'Evil Fish
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I'd argue that is the simplified form.

Well

10(5x+4)(2x+2)^3
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Hasufel
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5(10x+8)(2x+2)^{3}=5(2(5x+4))(2^  {3}(x+1)^{3})=...
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TeeEff
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(Original post by L'Evil Fish)
I'd argue that is the simplified form.

Well

10(5x+4)(2x+2)^3
you can take out 2 from each of the (2x+2)s so maybe 80(5x+4)(x+1)^3?
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L'Evil Fish
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(Original post by The Financier)
you can take out 2 from each of the (2x+2)s so maybe 80(5x+4)(x+1)^3?
Yeah that too

I originally just took the 2 out and forgot to cube it
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