Question

Find the product? (3x+2y) (3x-2y)​

Answer 1

Answer:

$(3x + 2y)(3x - 2y) \\ 3x(3x - 2y) + 2y(3x - 2y) \\ 9 {x}^{2} - 6xy \: + 6xy - 4 {y}^{2} \\ 9 {x}^{2} - 4 {y}^{2} \\ - 6xy \: and \: + 6xy \: cancelled \: as \: - \times + = - \\ \\ so \: product \: of \: (3x + 2y)(3x - 2y) = 9 {x}^{2} - 4 {y}^{2} \\ \\ \\ \\ \\ hope \: it \: helps \: you........$