Factorising Quadratics

Question 1:

x212x+32
x4x8

Question 2:

x21
x+1x1

Question 3:

x24x12
x6x+2

Question 4:

x26x40
x+4x10

Question 5:

x219x+90
x10x9

Question 6:

x213x+40
x5x8