Question

Resolver la ecuación:
(x+3)​²+x(x+2)​=9

Answer 1

Respuesta:

$(x + 3)^2 + x(x + 2) = 9\\\\x^2 + 2(x)(3) + 3^2 + x^2 + 2x = 9\\\\x^2 + 6x + 9 + x^2 + 2x - 9 = 0\\\\2x^2 + 8x = 0$

$factor/ comun\\\\2x(x + 4)\\\\x + 4 = 0\\\\x = -4$

Explicación paso a paso: