Question

(x + 2)(x - 1)+3 = x + 5​

Answer 1

Respuesta:

2

Explicación paso a paso:

(x + 2)(x - 1)+3 = x + 5​

x.x - x.1 + 2.x - 2.1 +3 = x + 5

x² - x + 2x - 2 + 3 = x + 5

x² + x + 1 = x + 5

x² + 1 = 5

x² = 4

x = √4

x = 2