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Simplify(x2−9)(x+3)\frac{(x^2-9)}{(x+3)}(x+3)(x2−9)​​
Question

Simplify(x29)(x+3)\frac{(x^2-9)}{(x+3)}

A.

x+3x + 3

B.

x3x - 3

C.

x29\sqrt{x^2-9}

D.

x9x - 9

Correct option is B

Given:

(x29)(x+3)\frac{(x^2-9)}{(x+3)}​​

Formula Used:

a2b2=(ab)(a+b)a^2 - b^2 = (a - b)(a + b)​​

Solution:

(x29)(x+3)\frac{(x^2-9)}{(x+3)}​​

=(x+3)(x3)(x+3)=\frac{(x+3)(x-3)}{(x+3)}​​

=(x3)=(x-3)​​

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