Solve for f
f=20
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f-5=-10+5^{2}
Multiply -2 and 5 to get -10.
f-5=-10+25
Calculate 5 to the power of 2 and get 25.
f-5=15
Add -10 and 25 to get 15.
f=15+5
Add 5 to both sides.
f=20
Add 15 and 5 to get 20.
Examples
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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 ) }
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Limits
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