Question

VALOR DO X DE X²-20X=0

Answer 1

Resposta:

${x}^{2} - 20 x = 0 \\ x \times (x - 20) = 0 \\ x = 0 \\ x - 20 = 0 \\ x = 0 \\ x = 20 \\ x1 = 0 \: \: \: \: \: \: \: x2 = 20$