Question

(d + 3e)(d - 3e)-2(d + 2e)(d-e)

​

Answer 1

Here is your answer mate .....

$d ^{2} - 9e ^{2} - 2(d ^{2} - 2e ^{2} ) \\ d ^{2} - 9e ^{2} - 2 {d}^{2} + 4e ^{2} \\ - d ^{2} - 5e ^{2} \\ d ^{2} + 5e ^{2}$

Hope it helps you ...

pls mark me Brainliest ...