Evaluate
7
Factor
7
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-0.84\times \frac{1}{12}\left(-100\right)
Multiply 7 and -0.12 to get -0.84.
-\frac{21}{25}\times \frac{1}{12}\left(-100\right)
Convert decimal number -0.84 to fraction -\frac{84}{100}. Reduce the fraction -\frac{84}{100} to lowest terms by extracting and canceling out 4.
\frac{-21}{25\times 12}\left(-100\right)
Multiply -\frac{21}{25} times \frac{1}{12} by multiplying numerator times numerator and denominator times denominator.
\frac{-21}{300}\left(-100\right)
Do the multiplications in the fraction \frac{-21}{25\times 12}.
-\frac{7}{100}\left(-100\right)
Reduce the fraction \frac{-21}{300} to lowest terms by extracting and canceling out 3.
\frac{-7\left(-100\right)}{100}
Express -\frac{7}{100}\left(-100\right) as a single fraction.
\frac{700}{100}
Multiply -7 and -100 to get 700.
7
Divide 700 by 100 to get 7.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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}