Factorising Quadratics

Question 1:

x2−4
x−2x+2

Question 2:

x2−7x+6
x−6x−1

Question 3:

x2−15x+56
x−7x−8

Question 4:

x2−6x+5
x−1x−5

Question 5:

x2+8x+12
x+2x+6

Question 6:

x2−17x+70
x−10x−7