Question

(x + 3)(x2 + x - 3)
x2= Squared

Answer 1

Answer:

x^3 + 4x^2 - 9.

Step-by-step explanation:

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

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

= x^3 + x^2 - 3x + 3x^2 + 3x - 9

= x^3 + 4x^2 - 9.