1.

Expand the following(5x +3y)^2​

Answer»

ANSWER:

{(5x + 3y)}^{2}

{(5x)}^{2}  +  {(3y)}^{2}  + 2 \times 5x \times 3y

25 {x}^{2}  +  9{y}^{2}  + 30xy



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