x^4-8x^2-9
You asked:
Evaluate the expression: \({x}^{4} - 8 \cdot {x}^{2} - 9\)
MathBot Answer:
Evaluated
\(\displaystyle {x}^{4} - 8 \cdot {x}^{2} - 9 = x^{4} - 8 x^{2} - 9 \)
Factored
\[{x}^{4} - 8 \cdot {x}^{2} - 9 = \left(x^{2} + 1\right) \left(x - 3\right) \left(x + 3\right)\]