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

1 Answer

4 votes
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

(x^2-4x-32)/(x^2+7x+12)= ((x-8)(x+4))/((x+3)(x+4))= (x-8)/(x+3)
User Mesop
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