4 years ago

If 2x − 1 = 6, what is the value of 4x squared - 1

Mathematics

1 answer:

Elena-2011 [213]4 years ago

5 0

2x-1=6 so 2x=7 x=3.5

3.5^2 = 12.25 x 4 = 49-1 = 48

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