(a+b)²+(a-b)²
simplify
Anonymous:
2(a^2+b^2)
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0
Answer:
Step-by-step explanation:a square + b square + 2ab + a square + b square - 2ab
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(a + b)² + (a - b)²
= a² + b² +2ab + a² + b² - 2ab
= 2a² + 2b²
= 2(a² + b²).
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