Anayastokes2126 Anayastokes2126

15-10-2016
Mathematics

contestada

Simplify x2-4x-32
________
X2+7x+12

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15-10-2016

remember
(ab)/(ac)=b/c

find common factor
factor them
x^2-4x-32=(x-8)(x+4)
x^2+7x+12=(x+3)(x+4)

so
[tex] \frac{x^2-4x-32}{x^2+7x+12}= \frac{(x-8)(x+4)}{(x+3)(x+4)}= \frac{x-8}{x+3} [/tex]

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