Question

porfavor ayudenme pliss si x al cuadrado + x = 2 calcula el valor de: M = ( x- 1) (x + 2)

Answer 1

El numero seria 1

Porque $x^{2} + x = 2$
$1^{2} + 1 = 2$
2 = 2 

M = (1 - 1) (1+2)
M = 3

Answer 2

X²+X=2
2x²=2
X²=2/2
X²=1
X=²✓1
X=1

M=(0)(3)=0