Evaluate
8x^{2}+4
Factor
4\left(2x^{2}+1\right)
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2x^{2}\times 4+4
Multiply x and x to get x^{2}.
8x^{2}+4
Multiply 2 and 4 to get 8.
4\left(2xx+1\right)
Factor out 4. Polynomial 2x^{2}+1 is not factored since it does not have any rational roots.
Examples
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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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