Evaluate
-56r^{3}-8
Factor
8\left(-7r^{3}-1\right)
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8r^{3}-64r^{3}-8
To multiply powers of the same base, add their exponents. Add 2 and 1 to get 3.
-56r^{3}-8
Combine 8r^{3} and -64r^{3} to get -56r^{3}.
8\left(r^{3}-8r^{2}r-1\right)
Factor out 8. Polynomial -7r^{3}-1 is not factored since it does not have any rational roots.
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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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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