Question

5x² – 25x = 0 ??????

Answer 1

5x² - 25x = 0

5x • (x - 5) = 0

x= 0

5x - 25 = 0

5x = 0 + 25

5x= 25

x= 25/5

x= 5

S= ( 0 , 5)

Answer 2

Resposta:

5x²-25x=0

x(5x-25)=0

x=0 ou 5x-25=0

5x-25=0

5x=25

x=25/5

x=5

S={x e R/ x=0 ou x=5}

Explicação passo-a-passo: