Question

Please answer correctly !!!!!!!!! Will mark brianliest answer !!!!!!!!!!!!

Answer 1

9x^2 +12x

Explanation:

To find the area of a rectangle you need to multiply the length by the width. So,

3 by 3x^2 = 9x^2

3 by 4x = 12x

So the area of the entire rectangle is: 9x^2 + 12x