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Find All Real Numbers

4x3 = 16x

(4x cubed)
8 years ago

Answers

Reiny
So I assume it is
4x^3 = 16
then:
4x^3 - 16x = 0
4x(x^2 - 4) = 0
4x(x+2)(x-2) = 0
x - 0, ± 2
8 years ago

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