Question

Resolva as seguintes equações de 2° grau , Sendo U=IR: X² - X=0

Answer 1

$\mathtt{x^2 - x = 0} \\ \\ \mathtt{Fatorando} \\ \\ \mathtt{x(x -1)} = 0 \\ \mathtt{x' =0} \\ \\ \mathtt{x - 1 = 0} \\ \mathtt{x = 1} \\ \\ \\ \boxed{\boxed{\mathtt{S: 0~e ~1}}}$