Amazejess2005
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#1
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#1
write x2+10x+2 in the form(x+a)2+b where a and b are integers.

I do not understand this.
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AGrizzlyBearo
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#2
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Completing the square:
https://youtu.be/lS0ork9JvSc
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clarecassar
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(x+5)^2-23 is the answer.
You have to half the 10x when putting it in a bracket and then when you expanded (x+5)(x+5) you get x^2+10x+25 and to get to +2, you must subtract 23. Hope this helps!
Last edited by clarecassar; 4 weeks ago
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Amazejess2005
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#4
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(Original post by clarecassar)
(x+5)^2-23 is the answer.
You have to half the 10x when putting it in a bracket and then when you expanded (x+5)(x+5) you get x^2+10x+25 and to get to +2, you must subtract 23. Hope this helps!
Thank you.
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Amazejess2005
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#5
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(Original post by AGrizzlyBearo)
Completing the square:
https://youtu.be/lS0ork9JvSc
Thank you
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