Question

Factorizar
15x^2-45x=0

Answer 1

15 x^2-45 x = 0

15 x (x-3) = 0

x (x-3) = 0

x-3 = 0 y x = 0

x = 3 y x = 0

Answer 2

15x^2-45x=0

15x(x - 3) = 0

15x = 0         x-3 = 0
x = 0/15        x = 3
x = 0      

CS = (0, 3)