expansion formula
(a-b)2
Answers
Answered by
1
Answer:
(a)^2 + (b)^2 - 2(ab)...
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Answered by
1
Answer:
(a-b)² = a²-2ab+b²
Step-by-step explanation:
(a-b)²=(a-b)(a-b) =a²-ab-ab+b²= a²-2ab+b²
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