Expanding Quadratics

Question 1:

x−1x−6
x2−7x+6

Question 2:

x+4x+6
x2+10x+24

Question 3:

7x−8x−6
7 x2−50x+48

Question 4:

9x+7x−9
9 x2−74x−63

Question 5:

4x+93x+2
12 x2+35x+18

Question 6:

4x−72x+7
8 x2+14x−49