Question

e)x²-3x=0
f)0,5x²+10x=0
ME AJUDEM PRFVVVV​

Answer 1

Resposta:

Explicação passo-a-passo:

E)

x²-3x=0

x.(x-3)= 0

x= 0

x-3= 0

x= 3

R.: {0; 3}

f)

0,5x²+10x=0 . (10)

5x^2 + 100x = 0 (:5)

x^2 + 20x = 0

x.(x +20)= 0

x = 0

x+20= 0

x = - 20

R : {0, -20}