Evaluate
-\frac{51}{7}\approx -7.285714286
Factor
-\frac{51}{7} = -7\frac{2}{7} = -7.285714285714286
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-\frac{93}{7}+\frac{42}{7}
Convert 6 to fraction \frac{42}{7}.
\frac{-93+42}{7}
Since -\frac{93}{7} and \frac{42}{7} have the same denominator, add them by adding their numerators.
-\frac{51}{7}
Add -93 and 42 to get -51.
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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.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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