Expanding Quadratics

Question 1:

x+7x+8
x2+15x+56

Question 2:

x+5x10
x25x50

Question 3:

9x1x1
9 x210x+1

Question 4:

3x+10x2
3 x2+4x20

Question 5:

3x103x4
9 x242x+40

Question 6:

3x+72x5
6 x2x35