Question

(a+b) ²+(a-b) ² please help me guys
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Answer 1

Answer:

a^2+b^2+2ab+a^2+b^2-2ab

2ab and -2ab will cancel up

so the answer is 2a^2+2b^2

hope this helps if so then don't forget to thank and mark as brainliest. :)

Answer 2

Step-by-step explanation:

(a+b)^2 + (a-b)^2

a^2 + b^2 + 2ab + a^2 + b^2 - 2ab

a^2 + b^2 +a^2 + b^2

2a^2 + 2b^2