Solve for x
x=2
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x≔2
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x=\sqrt{2+\sqrt{2+\sqrt{4}}}
Add 2 and 2 to get 4.
x=\sqrt{2+\sqrt{2+2}}
Calculate the square root of 4 and get 2.
x=\sqrt{2+\sqrt{4}}
Add 2 and 2 to get 4.
x=\sqrt{2+2}
Calculate the square root of 4 and get 2.
x=\sqrt{4}
Add 2 and 2 to get 4.
x=2
Calculate the square root of 4 and get 2.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
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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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