Question

36(x + y)^2 – 49(x – 2y)^2​

Answer 1

Go through the attachment...

Thank you.

Mark me as a brainliest.

Answer 2

Step-by-step explanation:

$36(x {}^{2} + y {}^{2} + 2xy) - 49(x {}^{2} + 4y {}^{2} - 4xy)$

$36x {}^{2} + 36y {}^{2} + 72xy - 49x {}^{2} - 196y {}^{2} - 196xy$

$- 13x {}^{2} - 160y {}^{2} - 124xy$

$- (13x {}^{2} + 160x {}^{2} + 124xy)$