Question

How do you simplify
(3x+4y)^2 ?​

Answer 1

(3x−4y)^2

Explanation:

Rewrite

(3x−4y)2 as

(3x−4y)(3x−4y)

(3x−4)(3x−4y)

Expand

(3x−4y)(3x−4y)

3x(3x)+3x(−4y)−4y(3x)−4y(−4y)

Simplify and combine like terms.

9^2−24xy+16y^2