Question

(3x +4y)2 is equal to

Answer 1

9x² + 24xy + 16y²

Explanation:

(3x + 4y)²

= (3x + 4y)(3x + 4y)

each term in the second factor is multiplied by each term in the first factor.

3x(3x + 4y) + 4y(3x + 4y) ← distribute both parenthesis

= 9x² + 12xy + 12xy + 16y² ← collect like terms

= 9x² + 24xy + 16y²

Answer 2

Answer: 6x + 8y

Hope this helps!