( - 9,8 + 5,6 - 8,4 ) : ( - 1,4 )
Evaluate
9
Factor
3^{2}
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\frac{-4,2-8,4}{-1,4}
Add -9,8 and 5,6 to get -4,2.
\frac{-12,6}{-1,4}
Subtract 8,4 from -4,2 to get -12,6.
\frac{-126}{-14}
Expand \frac{-12,6}{-1,4} by multiplying both numerator and the denominator by 10.
9
Divide -126 by -14 to get 9.
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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