Simplifying the Expression (2x+1)^2 - 2(2x^2-1)
This article will walk through the process of simplifying the algebraic expression (2x+1)^2 - 2(2x^2-1).
Expanding the Expression
First, we need to expand the expression by applying the distributive property and the rule for squaring a binomial:
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Expanding (2x+1)^2:
- (2x+1)^2 = (2x+1)(2x+1)
- = 4x^2 + 2x + 2x + 1
- = 4x^2 + 4x + 1
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Expanding -2(2x^2-1):
- -2(2x^2-1) = -4x^2 + 2
Combining Like Terms
Now that we have expanded the expression, we can combine like terms:
(4x^2 + 4x + 1) + (-4x^2 + 2) = 4x + 3
Final Result
Therefore, the simplified form of the expression (2x+1)^2 - 2(2x^2-1) is 4x + 3.