Expanding Quadratics

Question 1:

x2x+2
x24

Question 2:

x+5x+3
x2+8x+15

Question 3:

3x7x9
3 x234x+63

Question 4:

8x5x+10
8 x2+75x50

Question 5:

3x+52x1
6 x2+7x5

Question 6:

4x32x+5
8 x2+14x15