Evaluate
-47
Factor
-47
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12+16-19-13\times 2+8-2\times 2\times 3-26
Multiply 3 and 4 to get 12. Multiply 8 and 2 to get 16.
28-19-13\times 2+8-2\times 2\times 3-26
Add 12 and 16 to get 28.
9-13\times 2+8-2\times 2\times 3-26
Subtract 19 from 28 to get 9.
9-26+8-2\times 2\times 3-26
Multiply 13 and 2 to get 26.
-17+8-2\times 2\times 3-26
Subtract 26 from 9 to get -17.
-9-2\times 2\times 3-26
Add -17 and 8 to get -9.
-9-4\times 3-26
Multiply 2 and 2 to get 4.
-9-12-26
Multiply 4 and 3 to get 12.
-21-26
Subtract 12 from -9 to get -21.
-47
Subtract 26 from -21 to get -47.
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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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