(a+b)²-2ab=
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Answer:
(a+b)²-2ab=a²+b²
Step-by-step explanation:
(a+b)²-2ab
=a²+b²+2ab-2ab
=a²+b²
Answered by
0
Answer:
a² + b²
Step-by-step explanation:
(a+b)² = a² + 2ab + b² is a formula.
So, (a+b)² - 2ab = a² + 2ab + b² - 2ab
= a² + b²
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