\frac { - 252 + \sqrt { 68482 - 4 } } { - 9,8 }
Evaluate
-\frac{5\sqrt{68478}}{49}+\frac{180}{7}\approx -0.988062689
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\frac{-252+\sqrt{68478}}{-9,8}
Subtract 4 from 68482 to get 68478.
\frac{252-\sqrt{68478}}{9,8}
Multiply both numerator and denominator by -1.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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Matrix
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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
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