Evaluate
\left(2a-1\right)\left(4a-1\right)
Expand
8a^{2}-6a+1
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8a^{2}-4a-2a+1
Apply the distributive property by multiplying each term of 4a-1 by each term of 2a-1.
8a^{2}-6a+1
Combine -4a and -2a to get -6a.
8a^{2}-4a-2a+1
Apply the distributive property by multiplying each term of 4a-1 by each term of 2a-1.
8a^{2}-6a+1
Combine -4a and -2a to get -6a.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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