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-7=\frac{21}{4}+\frac{24}{4}
Convert 6 to fraction \frac{24}{4}.
-7=\frac{21+24}{4}
Since \frac{21}{4} and \frac{24}{4} have the same denominator, add them by adding their numerators.
-7=\frac{45}{4}
Add 21 and 24 to get 45.
-\frac{28}{4}=\frac{45}{4}
Convert -7 to fraction -\frac{28}{4}.
\text{false}
Compare -\frac{28}{4} and \frac{45}{4}.
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
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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]
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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