Question

expand the following
(5x +3y)^2​

Answer 1

Answer:

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

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

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

Answer 2

Step-by-step explanation:

(5x+3y)²

(a+b)² =a²+2ab+b²

now

= (5x)²+2(5x)(3y)+(3y)²

= 25x²+30xy+9y²

I hope it's helpful for you