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Hat are the solutions of the equation x4 β 5x2 β 14 = 0? Use factoring to solve.
9 months ago
Q:
hat are the solutions of the equation x4 β 5x2 β 14 = 0? Use factoring to solve.
Accepted Solution
A:
-7 and 2 are factors of -14, and they make a sum of -5, therefore:
(x^2-7)(x^2+2)=0
x^=7 or x^=-2
x=β7 or-β7, x=β2i or x=-β2i