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B. Simplify: (x + a)2 + (x - a)2​

User Pie
by
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1 Answer

7 votes

Answer:


2x^2 + 2a^2

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

User Robert Walters
by
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