Question

Simplify (2ab+3b)^2

Answer 1

Answer:

4a^2b^2+9b^2+12ab^2

Answer 2

Step-by-step explanation:

$(a + b) {}^{2} = a {}^{2} + 2ab + b {}^{2}$

(2a+3b)²=(2a)²+2(2a)(3b)+(3b)²

=4a²+12ab+9b².