is x^2-2=(-2) (3-x) a quadratic equation

Answer 1

x² - 2 = -2(3-x)

x² - 2 = - 6 + 2x

x² - 2 - 2x = - 6 + 2x - 2x

x² - 2 - 2x = - 6

x² - 2 - 2x + 6 = - 6 + 6

x² - 2x + 4 = 0 is a quadratic eqaution