Question

Resolver: x + (x + 3)(x - 3) = 3 + x(x + 2)

Answer 1

Respuesta:

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

x + $x^{2} - 9$ = 3 + $x^{2} + 2x$

-9 - 3 = 2x - x

x = -12