Question

Find the product of (x + 3)^2.

Is this the answer?
x^2 + 6x + 9

Answer 1

yes

Answer 2

(x + 3)^2 = x(x+3)+3(x+3) = x^2 + 3x + 3x + 9 = x^2 + 6x + 9

Answer 3

Okay so could you help me with this? Find the product of (x + 3)(x - 3).

Answer 4

\[(a+b)^2 = a^2 + 2ab + b^2 \\ (a-b)^2 = a^2 -2ab + b^2 \\ a^2-b^2 = (a+b)(a-b)\]