Perform the division.
-$\left(x^{2}-81\right) \div(x+9)$
A) $x^{2}-9$
B) $x-81$
C) $x-9$
D) $x+81$

Name: Perform the division. -$\left(x^{2}-81\right) \div(x+9)$ A) $x^{2}-9$ B) $x-81$ C) $x-9$ D) $x+81$
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Quizplus · Accepted Answer

The division $(x^2 - 81) \div (x + 9)$ simplifies to $x - 9$ because $x^2 - 81$ is a difference of squares and can be factored as $(x + 9)(x - 9)$. Dividing by $x + 9$ cancels out that factor, leaving $x - 9$.

Perform the Division (x2−81)÷(x+9)\left(x^{2}-81\right) \div(x+9)(x2−81)÷(x+9) A) x2−9x^{2}-9x2−9 B) x−81x-81x−81 C) x−9x-9x−9 D) x+81x+81x+81

Perform the Division $\left(x^{2}-81\right) \div(x+9)$ A) $x^{2}-9$ B) $x-81$ C) $x-9$ D) $x+81$