[ ( - 1,4 ) : 0,7 ] \cdot [ 6 - ( - 2,9 ) ]
Evaluate
-17,8
Factor
-17,8
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\frac{-14}{7}\left(6-\left(-2,9\right)\right)
Expand \frac{-1,4}{0,7} by multiplying both numerator and the denominator by 10.
-2\left(6-\left(-2,9\right)\right)
Divide -14 by 7 to get -2.
-2\left(6+2,9\right)
The opposite of -2,9 is 2,9.
-2\times 8,9
Add 6 and 2,9 to get 8,9.
-17,8
Multiply -2 and 8,9 to get -17,8.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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699 * 533
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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}