Solving Quadratics by Factorising

Question 1:

5 x219x4 = 0
x =15 or 4

Question 2:

3 x214x+8 = 0
x =23 or 4

Question 3:

2 x2x3 = 0
x =32 or 1

Question 4:

4 x2+9x+5 = 0
x =54 or 1

Question 5:

6 x25x6 = 0
x =23 or 32

Question 6:

6 x211x+3 = 0
x =13 or 32