Question

(x-____)²=x²-8x+____

Answer 1

Resposta:

(x-1)²=x²-8x+1

$x^{2}-2.x+1$ = $x^{2} -8.x+1$

$x^{2} -x^{2} -2.x + 8.x = 1 - 1$

$6.x = 0\\x = \frac{0}{6} \\x = 0$