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Algebra 16 Online
OpenStudy (anonymous):

is Anyone willing to help ?

OpenStudy (espex):

If you were to ask a question, more people could attempt to help.

OpenStudy (anonymous):

(x2 + 13x + 40) ÷ (x + 8)

OpenStudy (espex):

Factor your numerator and you will find that you have terms that will cancel.

OpenStudy (anonymous):

idk how to do it.

OpenStudy (espex):

\(x^{2}+13x+40\) What two things must multiply together to get the first term of \(x^2\)? Place them at the first thing inside the parenthesis ( )( )

OpenStudy (anonymous):

(x+8)(x+5)?

OpenStudy (espex):

Very good, now do you see a common factor in the numerator and denominator?

OpenStudy (anonymous):

Nooo ? Im not Sure . X ?

OpenStudy (espex):

The expression held within the ( ) can be treated as if it were a single term.

OpenStudy (espex):

So if you have \(\frac{2*3}{2}\) it would be treated the same as \(\frac{x+8)*(x+5)}{(x+8)}\)

OpenStudy (anonymous):

so x+8 is the common factor ?

OpenStudy (espex):

Exactly, and what is anything over itself?\[\frac{1}{1}~or~\frac{2}{2}~or~\frac{(x+8)}{(x+8)}\]

OpenStudy (anonymous):

1

OpenStudy (espex):

Perfect! So your final answer is 1*(x+5)

OpenStudy (anonymous):

Thankyou very Much (;

OpenStudy (espex):

You are welcome. :)

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