Evaluate
-39
Factor
-39
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-48-\frac{-32}{8}-\left(-5\right)
Multiply -12 and 4 to get -48.
-48-\left(-4\right)-\left(-5\right)
Divide -32 by 8 to get -4.
-48+4-\left(-5\right)
The opposite of -4 is 4.
-44-\left(-5\right)
Add -48 and 4 to get -44.
-44+5
The opposite of -5 is 5.
-39
Add -44 and 5 to get -39.
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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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