Expand
8x^{2}+2x-1
Evaluate
\left(4x-1\right)\left(2x+1\right)
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8x^{2}+4x-2x-1
Apply the distributive property by multiplying each term of 4x-1 by each term of 2x+1.
8x^{2}+2x-1
Combine 4x and -2x to get 2x.
8x^{2}+4x-2x-1
Apply the distributive property by multiplying each term of 4x-1 by each term of 2x+1.
8x^{2}+2x-1
Combine 4x and -2x to get 2x.
Examples
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Limits
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