Question

use identity : solve (5x+3ysquare)​

Answer 1

${(5x + 3y)}^{2} \\ {(a + b)}^{2} = {a}^{2} + 2ab - {b}^{2} \\ a = 5x \: \: \: \: \: \: b = 3y \\ {(5x + 3y)}^{2} = {(5x)}^{2} + 2(5x)(3y) - {(3y)}^{2} \\ = 25 { x}^{2} + 30xy - 9 {y}^{2}$

This your answer. Hope it helps.

Pls Mark it as Brainliest and hit a like❤.

Answer 2

Answer:

I have pinned the answer image you can check it out dear

Hope you may get it

Mark as brainliest

Thank You...