Question

Expand (3-2x) (3+2x) ​

Answer 1

Answer:

9-4x^2

Step-by-step explanation:

$(a + b)(a - b) = {a}^{2} - {b}^{2}$

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

=9-4x^2

Hope it helps!!

Answer 2

Step-by-step explanation:

$3(3x + 2) - 2x(3x + 2) \\ 9x + 6 - 6x {}^{2} - 4x \\ \\ \\ \\ - 6x {}^{2} + 9x - 4x + 6 \\ - 6x {}^{2} + 5x + 6$