Evaluate
-28
Factor
-28
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3\times 36-4\times 6^{2}+8
Calculate 6 to the power of 2 and get 36.
108-4\times 6^{2}+8
Multiply 3 and 36 to get 108.
108-4\times 36+8
Calculate 6 to the power of 2 and get 36.
108-144+8
Multiply 4 and 36 to get 144.
-36+8
Subtract 144 from 108 to get -36.
-28
Add -36 and 8 to get -28.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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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