Solving Quadratics by Factorising

Question 1:

x24x = 0
x = 0 or x = 4

Question 2:

x2 64 = 0
x = 8 or x = -8

Question 3:

3 x2 48 = 0
x = 4 or x = -4

Question 4:

x23x54 = 0
x = -6 or x = 9

Question 5:

x2+12x =35
x = -5 or x = -7

Question 6:

3 x24x+1 = 0
x =13 or 1