Question

Please solve it:
4x²-1

Answer 1

Answer:

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

= ( 2x - 1 )^2

= ( 2x + 1 ) ( 2x - 1 )

Step-by-step explanation:

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Answer 2

Answer:

x=1/2

Step-by-step explanation:

4x²=1

x²=1/4

x=√1/4

x=1/2

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