Answer:
1. x-2 = 0
x = 0+2
x = 2
2. x+3 = 0
x = 0 -3
x = -3
3. x(x-4) =0
x =0
x-4 = 0
x = 0 +4
x = 4
4. (x-4)(x-3) = 0
x-4 = 0
x = 0+4
x = 4
x-3 = 0
x = 0+3
x = 3
5. x^2(x-9)(2x+1) = 0
x^2 = 0 take their square root
x = 0
x-9 =0
x = 0 + 9
x = 9
2x +1 = 0
2x = 0 -1
2x = -1 divide both side by 2
x = -1/2
