Solving Quadratics by Factorising

Question 1:

x22x = 0
x = 0 or x = 2

Question 2:

x2 49 = 0
x = 7 or x = -7

Question 3:

4 x2 64 = 0
x = 4 or x = -4

Question 4:

x210x+25 = 0
x = 5

Question 5:

x213x =40
x = 5 or x = 8

Question 6:

6 x2+x5 = 0
x =56 or 1