xˆ4-8xˆ2=9
You asked:
Solve the equation \({x}^{4} - 8 {x}^{2} = 9\) for the variable \(x\).
MathBot Answer:
The 4 solutions to the equation are: \[\begin{aligned}x &= -3\\x &= 3\\x &= i\\x &= -i\end{aligned}\]
\(i\) is the imaginary unit, defined as \(i^2 = -1\).