Solve for S
S=-3
Assign S
S≔-3
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S=\frac{25-7^{2}}{2\left(-2\right)^{2}}
Calculate 5 to the power of 2 and get 25.
S=\frac{25-49}{2\left(-2\right)^{2}}
Calculate 7 to the power of 2 and get 49.
S=\frac{-24}{2\left(-2\right)^{2}}
Subtract 49 from 25 to get -24.
S=\frac{-24}{2\times 4}
Calculate -2 to the power of 2 and get 4.
S=\frac{-24}{8}
Multiply 2 and 4 to get 8.
S=-3
Divide -24 by 8 to get -3.
Examples
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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.
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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