Factorising Quadratics

Question 1:

x2+5x24
x3x+8

Question 2:

x2+4x32
x4x+8

Question 3:

x2100
x10x+10

Question 4:

x22x24
x+4x6

Question 5:

x2+10x+16
x+2x+8

Question 6:

x210x+16
x2x8