Evaluate
-60
Factor
-60
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15\times 1\left(4-2\times 4\right)
Multiply 5 and 3 to get 15.
15\left(4-2\times 4\right)
Multiply 15 and 1 to get 15.
15\left(4-8\right)
Multiply 2 and 4 to get 8.
15\left(-4\right)
Subtract 8 from 4 to get -4.
-60
Multiply 15 and -4 to get -60.
Examples
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y = 3x + 4
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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