SOLUTION: Find the values of x for which f(x) = g(x). Thanks!! f(x) = x^4 − 2x^2, g(x) = 2x^2

Algebra ->  Functions -> SOLUTION: Find the values of x for which f(x) = g(x). Thanks!! f(x) = x^4 − 2x^2, g(x) = 2x^2      Log On


   

Question 995763: Find the values of x for which f(x) = g(x). Thanks!!
f(x) = x^4 − 2x^2, g(x) = 2x^2
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find the values of x for which f(x) = g(x). Thanks!!
f(x) = x^4 − 2x^2, g(x) = 2x^2
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x^4-2x^2 = 2x^2
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x^4-4x^2 = 0
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x^2(x^2-4) = 0
x^2(x-2)(x+2) = 0
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Ans: x = 0 or x = 2 or x = -2
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Cheers,
Stan H.