Question

resolvam pra mim?
$x^{2} -2x = x^{2} +2x-3x-6$

Answer 1

x² - 2x = x² + 2x - 3x - 6

x² - 2x = x² - x - 6

x² - x² - 2x + x = - 6

- x = - 6(-1)

x= 6