Question

simplify(6х+7y) (6x_7y)​

Answer 1

Step-by-step explanation:

$(6x + 7y)(6x - 7y) \\ \\ {(6x)}^{2} - {(7y)}^{2} \\ \\ 36 {x}^{2} - 49 {y}^{2}$

Answer 2

Answer:

(6x+7y)(6x-7y)

using x 2 - y2 = (x+y ) ( x-y)

${6x}^{2} - 7y {}^{2} \\ 36x {}^{2} - 49y {}^{2}$