Question

Multiply: (x-2y+3)(x+2y)​

Answer 1

$hello$

Kindly refer the above attachment.

I hope my answer helps you....✌

Answer 2

$(x - 2y + 3)(x + 2y) \\ \\ = x(x - 2y + 3) + 2y(x - 2y + 3) \\ \\ = {x}^{2} \cancel{- 2xy} + 3x + \cancel{2xy} - 4 {y}^{2} + 6y \\ \\ = {x}^{2} - 4 {y}^{2} + 3x + 6y$