(a-b)^2=(a+b)^2-_____
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Answered by
0
Answer:
-4AB WILL BE THE ANSWER. ......
Answered by
0
Answer:
4ab
Step-by-step explanation:
(a-b)²=a²-2ab+b²
(a+b)²=a²+2ab+b²
(a-b)²-(a+b)²=4ab
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