Question

Calculando a equação 2x² - 10x = 0 temos resultado.
(A)S={2;3}
(B)S={5;2}
(C)S={3;4}
(D)S={0;5}
(E)S={5;4}​

Answer 1

Explicação passo-a-passo:

$2x^{2} -10x=0\\\\2x.(x-5)=0\\\\2x=0\implies \boxed{x=0}\\\\\text ou\\\\x-5=0\implies \boxed{x=5}\\\\\boxed{\boxed{S=\{0;5\}}}$

Resposta D