Question

Resolva as equaçoes : Fatoraçao
x²-3x=0

3x²+15x=0

2x²-10x=0

Answer 1

Boa noite Angelica

a) 

x² - 3x = 0
x*(x - 3) = 0

x1 = 0
x2 = 3

b)

3x² + 15x = 0
x² + 3x = 0
x*(x + 3) = 0

x1 = 0
x2 = -3

c)

2x² - 10x = 0
x² - 5x = 0
x*(x - 5) = 0

x1 = 0
x2 = 5