SOLUTION: (2x+1)² = 4x²-1

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Question 1017165: (2x+1)² = 4x²-1
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
%282x%2B1%29%5E2 = 4x%5E2-1.

4x%5E2+%2B+4x+%2B+1 = 4x%5E2-1,

4x+%2B1 = -1,

4x = -1+-1,

4x = -2.

Can you complete it yourself?