Question

(x + a) (x + a) + (a + x) (a - x)​

Answer 1

Respuesta:

$2x + 2a^{2}$

Explicación paso a paso:

$(x + a) (x + a) + (a+x)(a-x)\\x^{2} + ax + ax + a^{2}+a^{2} -ax +ax -x^{2} \\x^{2} -x^{2} +2x +2a^{2} \\2x + 2a^{2}$