Question

Can someone please help me

Answer 1

2x²+5x+15

Explanation:

Make the diagram to two rectangular.

The large one area: (x+3) . (x+5)=x²+8x+15

The small one area: [(2x+2)-(x+5)]. x=(2x+2-x-5).x=(x-3).x=x²-3x

Add two rectangular together: x²+8x+15+x²-3x=2x²+5x+15