contestada

Simplify the expression. (x^2 - 9)/(x^2 + 2x - 15)
A
(x - 1)/(x - 6)
B
9/(15 - 2x)
C
3/(2x + 5)
D
(x + 3)/(x + 5)

Respuesta :

mirai123

Answer:

We have

[tex]\frac{x^2-9}{x^2+2x-15}[/tex]

[tex]\frac{\left(x+3\right)\left(x-3\right)}{x^2+2x-15}[/tex]

[tex]\frac{\left(x+3\right)\left(x-3\right)}{\left(x-3\right)\left(x+5\right)}[/tex]

[tex]\frac{x+3}{x+5}[/tex]

∴The answer is D

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