Question

Write in standard form. (x+1)(x+1)(x+2)

Answer 1

x^3 + 4x^2 + 5x + 2.

Explanation:

(x+1)(x+1)(x+2) = (x^2 + x + x + 1)(x + 2) = (x^2 + 2x + 1)(x + 2) = x^3 + 2x^2 + 2x^2 + 4x + x + 2 = x^3 + 4x^2 + 5x + 2.

Hope this helps!