Evaluate
-6720000
Factor
-6720000
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\frac{84000\times 160}{4\times 1-6}
Subtract 160 from 320 to get 160.
\frac{13440000}{4\times 1-6}
Multiply 84000 and 160 to get 13440000.
\frac{13440000}{4-6}
Multiply 4 and 1 to get 4.
\frac{13440000}{-2}
Subtract 6 from 4 to get -2.
-6720000
Divide 13440000 by -2 to get -6720000.
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
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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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