Question

B. Simplify: (x + a)2 + (x - a)2​

Answer 1

Answer:

$2x^2 + 2a^2$

Step-by-step explanation:

$(x + a)^2 + (x - a)^2$

Lets expand it.

$=> x^2 + a^2 + 2ax + x^2 + a^2 - 2ax$

$=> x^2 + x^2 + a^2 + a^2$

$=> 2x^2 + 2a^2$