Evaluate
L = -\frac{1}{2} = -0.5
Expand
L = -\frac{1}{2} = -0.5
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2L\times \frac{1}{2}-\frac{1}{2}
Use the distributive property to multiply 2L-1 by \frac{1}{2}.
L-\frac{1}{2}
Cancel out 2 and 2.
2L\times \frac{1}{2}-\frac{1}{2}
Use the distributive property to multiply 2L-1 by \frac{1}{2}.
L-\frac{1}{2}
Cancel out 2 and 2.
Examples
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