Expanding Quadratics

Question 1:

x+1x+7
x2+8x+7

Question 2:

x+2x2
x24

Question 3:

3x+5x6
3 x213x30

Question 4:

5x2x+9
5 x2+43x18

Question 5:

2x33x+4
6 x2x12

Question 6:

2x73x+2
6 x217x14