# Quick Algebra question

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Thread starter 7 years ago
#1
How do I go deal with the x

4/x ( 4lnx + 3) - 4/x (4lnx - 3) all over (4lnx + 3 )^2

Thank you
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7 years ago
#2
(Original post by khanpatel321)
How do I go deal with the x

4/x ( 4lnx + 3) - 4/x (4lnx - 3) all over (4lnx + 3 )^2

Thank you
?
If that's the case, the numerator looks like , and you can factorise it out.
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7 years ago
#3
(Original post by khanpatel321)
How do I go deal with the x

4/x ( 4lnx + 3) - 4/x (4lnx - 3) all over (4lnx + 3 )^2

Thank you
You have

and the numerator will simplify quite a lot
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Thread starter 7 years ago
#4
(Original post by Smaug123)
?
If that's the case, the numerator looks like , and you can factorise it out.
(Original post by TenOfThem)
You have

and the numerator will simplify quite a lot

If instead of the x there was a number could you do the same thing?

So it would be
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7 years ago
#5
(Original post by khanpatel321)
If instead of the x there was a number could you do the same thing?

So it would be
Sure, it is a common factor
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7 years ago
#6
(Original post by TenOfThem)
You have

and the numerator will simplify quite a lot
Is the numerator not just 0?
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7 years ago
#7
(Original post by TenOfThem)
You have

and the numerator will simplify quite a lot
I got your back Tenten!

(Original post by Davelittle)
Is the numerator not just 0?
Nope. TenOfThem made a mistake with the simplification by overlooking the parentheses:

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7 years ago
#8
(Original post by Khallil)
I got your back Tenten!

Nope. TenOfThem made a mistake with the simplification by overlooking the parentheses:

Cheers

too many parentheses within the LaTeX and I just lost it
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7 years ago
#9
(Original post by Khallil)
I got your back Tenten!

Nope. TenOfThem made a mistake with the simplification by overlooking the parentheses:

Gotcha, thought the brackets might have been the problem!
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