(2x-1)(2x+1) using the rule (a+b)(a-b)=a square- b square
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Answered by
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Answer:
(2x-1) (2x+1) = (2x)²-(1)
= 4x²-1
using identity
(a+b) (a-b) = a²-b²
hope it will help you
Answered by
0
Answer:
(a2-b2)=(a-b)(a+b)
(2x-1)(2x+1) =(2x-1)2
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