Question

simplify (a+b)² + (a - b)²​

Answer 1

Answer:

the answer is 2(a^2+b^2)

Step-by-step explanation:

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Answer 2

Answer:

$= {a}^{2} + {b}^{2} + 2ab + {a}^{2} + {b}^{2} - 2ab \\ \\ = 2( {a}^{2} + {b}^{2} )$