Question

X AL CUADRADO +X=2X+6

Answer 1

Explicación paso a paso:

x² + x = 2x + 6

x² = 2x - x + 6

x² = x + 6

x² - x - 6 = 0

x +2 = +2x

x -3 = -3x

-x

(x-3) (x+2) = 0

x-3=0 x+2=0

x =3 x =-2

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