Question

(x+1)elevado a 2 =9 no metodo heuristico

Answer 1

(x + 1)² = 2(x+1)
(x + 1) (x + 1) = 2x + 2
x² + x + x + 1 = 2x + 2

x² + 2x + 1 = 2x + 2

x² + 2x + 1 - 2x - 2 = 0

x² + 1 - 2 = 0

x² - 1 = 0

x² = 1

x = +1 ou -1