Solve for x
x = \frac{\sqrt{17}}{3} \approx 1.374368542
x = -\frac{\sqrt{17}}{3} \approx -1.374368542
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3^{2}x^{2}=17
Expand \left(3x\right)^{2}.
9x^{2}=17
Calculate 3 to the power of 2 and get 9.
x^{2}=\frac{17}{9}
Divide both sides by 9.
x=\frac{\sqrt{17}}{3} x=-\frac{\sqrt{17}}{3}
Take the square root of both sides of the equation.
Examples
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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
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Limits
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