Evaluate
-\frac{552}{7}\approx -78.857142857
Factor
-\frac{552}{7} = -78\frac{6}{7} = -78.85714285714286
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\frac{84+8}{7}-92
Multiply 12 and 7 to get 84.
\frac{92}{7}-92
Add 84 and 8 to get 92.
\frac{92}{7}-\frac{644}{7}
Convert 92 to fraction \frac{644}{7}.
\frac{92-644}{7}
Since \frac{92}{7} and \frac{644}{7} have the same denominator, subtract them by subtracting their numerators.
-\frac{552}{7}
Subtract 644 from 92 to get -552.
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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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}