(a+b)²- 2ab _____ + _____
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Answer:
(a+b)²- 2ab __a²___ + __b²___
Step-by-step explanation:
(a+b)²= a²+2ab+b²
(a+b)²- 2ab =a²+2ab+b²-2ab
(a+b)²- 2ab = a²+b²
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