Question

Efetue 2 2
(x + 1 ) + ( x -1 ) =
Gente me ajuda por favor

Answer 1

( x + 1 )² + ( x - 1 ) ² = 0

( x² + 2x + 1 ) + ( x² - 2x + 1 ) = 0

x² + 2x + 1 + x ² - 2x + 1 = 0

2x² + 2 = 0

2x² = -2

x² = -(2/2)

x² = -1

x = ±√-1 = ±į

x = ±į