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2 years ago

Simplify this math problem plz show your work

1 answer:

8 0

9514 1404 393

Answer:

(8a -a²)/(a +2)

Step-by-step explanation:

Cancel common factors from numerator and denominator.

$\dfrac{-56+15a-a^2}{a^2+2a}\div\dfrac{a-7}{a^2}=-\dfrac{(a-7)(a-8)(a^2)}{a(a+2)(a-7)}\\\\=-\dfrac{a(a-8)}{a+2}=\boxed{\dfrac{8a-a^2}{a+2}}$

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