Evaluate
\frac{3x\left(x-4\right)}{2}+19
Expand
\frac{3x^{2}}{2}-6x+19
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1.5x^{2}-6x+19
Use the distributive property to multiply 1.5x by x-4.
1.5x^{2}-6x+19
Use the distributive property to multiply 1.5x by x-4.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
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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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