Evaluate
-7
Factor
-7
Quiz
Arithmetic
5 problems similar to:
\frac { 14 } { 2 } ( \frac { 49 } { 7 } - \frac { 56 } { 7 } ) = ?
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7\left(\frac{49}{7}-\frac{56}{7}\right)
Divide 14 by 2 to get 7.
7\left(7-\frac{56}{7}\right)
Divide 49 by 7 to get 7.
7\left(7-8\right)
Divide 56 by 7 to get 8.
7\left(-1\right)
Subtract 8 from 7 to get -1.
-7
Multiply 7 and -1 to get -7.
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}