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Mathematics 7 Online
OpenStudy (anonymous):

Help please

OpenStudy (anonymous):

\[\frac{ x^{2}-7x-8 }{x ^{2}-4x-32 } Simplify\]

Nnesha (nnesha):

factor!

OpenStudy (anonymous):

find the greatest common factor?

Nnesha (nnesha):

nope factor quadratic equation there isn't any common factor do you know how to factor quadratic equation ?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

a*c

Nnesha (nnesha):

yes right find two number if you multiply them you should get product of ac and if you add or subtract them you should get middle term

OpenStudy (anonymous):

-8 and 1

OpenStudy (anonymous):

for the numerator

Nnesha (nnesha):

-8 times 1 = -8 but -8+1 = - 4 ?

OpenStudy (anonymous):

no -8+1=-7

OpenStudy (anonymous):

for the numerator

Nnesha (nnesha):

|dw:1430696156665:dw|

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