Evaluate
-7
Factor
-7
Quiz
Arithmetic
5 problems similar to:
\frac { \frac { 3 } { 2 } } { \frac { - \frac { 3 } { 7 } } { 2 } }
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\frac{3\times 2}{2\left(-\frac{3}{7}\right)}
Divide \frac{3}{2} by \frac{-\frac{3}{7}}{2} by multiplying \frac{3}{2} by the reciprocal of \frac{-\frac{3}{7}}{2}.
\frac{3}{-\frac{3}{7}}
Cancel out 2 in both numerator and denominator.
3\left(-\frac{7}{3}\right)
Divide 3 by -\frac{3}{7} by multiplying 3 by the reciprocal of -\frac{3}{7}.
-7
Cancel out 3 and 3.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
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}