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Mathematics 8 Online
OpenStudy (anonymous):

Solve

OpenStudy (anonymous):

\[\frac{ x }{ x-16 }\]

OpenStudy (adamaero):

break it up

OpenStudy (anonymous):

How..multiplying the whole thing by the denominator?

OpenStudy (adamaero):

in a way...what about multiplying by opposite

OpenStudy (anonymous):

The reciprocal?

OpenStudy (adamaero):

\[\frac{ x }{ x-16 }\frac{ x+16 }{ x+16 }\]

OpenStudy (adamaero):

is that what's called the opposite reciprocal? I don't remember...

OpenStudy (anonymous):

\[\frac{x ^{2}+16x}{ x^{2}-256 }\]

OpenStudy (anonymous):

@adamaero Is this correct? and then where do I go from here?

OpenStudy (adamaero):

22^2 = 484 18^2 = 324 15^2 = 225 16^2 = =)

OpenStudy (adamaero):

x^2 + 16x --------- ( )( )

OpenStudy (adamaero):

But, in place of the post before that, I should've just looked to the numerator for a hint (& not guess factors for 256).

OpenStudy (anonymous):

So now hat you know the factors we eliminate or?

OpenStudy (adamaero):

What do you think? Show me; don't be afraid to fail.

OpenStudy (anonymous):

Well I'm not sure if it would be \[\frac{ x^{2} +16 }{ (x+16)(x+16)}\]

OpenStudy (anonymous):

or \[\frac{ (x+4)(x+4) }{ (x+16)(x+16) }\]

OpenStudy (anonymous):

What is your actual question?

OpenStudy (adamaero):

|dw:1425142650813:dw|

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