Evaluate
\left(4x-3\right)\left(x+4\right)
Expand
4x^{2}+13x-12
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4x^{2}-3x+16x-12
Apply the distributive property by multiplying each term of x+4 by each term of 4x-3.
4x^{2}+13x-12
Combine -3x and 16x to get 13x.
4x^{2}-3x+16x-12
Apply the distributive property by multiplying each term of x+4 by each term of 4x-3.
4x^{2}+13x-12
Combine -3x and 16x to get 13x.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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