Question

Calcular: (x + 1) (x – 2) – (x – 3) (x + 2) a) –4 b) -8 c) 2 d) 6 e) 3

Answer 1

Respuesta:

me sale 4 :u

Explicación paso a paso:

(x+1)(x-2)-(x-3)(x+2)

${x}^{2} - 2x + x - 2 - ( {x}^{2} + 2x - 3x - 6)$

${x}^{2} - 2x + x - 2 - ( {x}^{2} + 2x - 3x - 6)$

${x}^{2} - x - 2 - ( {x}^{?} + 2x - 3x - 6)$

${x}^{2} - x - 2 - {x}^{2} + x + 6$

$4$