Question

factorise the x^3+2x^2-9x-18​

Answer 1

Please mark me as brainlist

Answer 2

Answer:

(x+3)(x-3)(x+2)

Step-by-step explanation:

X^3+2x^2-9x-18

= x^2(x+2)-9(x+2)

=(x^2-9)(x+2)

=(x^2-3^2)(x+2)

=(x+3)(x-3)(x+2).   (ans)

hope it helps