Find the values of x for which f(x) = g(x). (Enter your answers as a comma-separated list.)
1 answer:
Step-by-step explanation:
When f(x) = g(x), x^4 - 8x^2 = 8x^2.
x^4 - 16x^2 = 0
x^2(x^2 - 16) = 0.
Either x^2 = 0 or x^2 = 16.
The possible values of x are {-4, 0, 4}.
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