Question

using the identity a²-b²=(a+b) (a-b) find the following products a) (2x-1) (2x+1)​

Answer 1

Answer:

( (2x)^2- (1) )

Step-by-step explanation:

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a= 2x

b= 1

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Answer 2

4x^2 - 1

Step-by-step explanation:

(2x)^2 - (1)^2 =

4x^2 - 1