Question

Pleas help me it hard for me

Answer 1

Explanation:

The area of the rectangle is 3x(2x+5)=6x^2 + 15x

The are of the triangle is 2(x-3)/2 = x-3

Now subtract the triangle are from the rectangles area

6x^2 + 15x - x + 3 = 6x^2 + 14x + 3