Evaluate
-\frac{55}{7}\approx -7.857142857
Factor
-\frac{55}{7} = -7\frac{6}{7} = -7.857142857142857
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-8+\frac{\frac{1}{7}}{1}
Calculate 7 to the power of -1 and get \frac{1}{7}.
-8+\frac{1}{7}
Anything divided by one gives itself.
-\frac{55}{7}
Add -8 and \frac{1}{7} to get -\frac{55}{7}.
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{ x } ^ { 2 } - 4 x - 5 = 0
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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.
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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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