Factor
\frac{5x^{2}+20x+28}{5}
Evaluate
x^{2}+4x+\frac{28}{5}
Graph
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\frac{5x^{2}+20x+28}{5}
Factor out \frac{1}{5}. Polynomial 5x^{2}+20x+28 is not factored since it does not have any rational roots.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
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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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