Asked by Tony
Find All Real Numbers
4x3 = 16x
(4x cubed)
4x3 = 16x
(4x cubed)
Answers
Answered by
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
4x^3 = 16
then:
4x^3 - 16x = 0
4x(x^2 - 4) = 0
4x(x+2)(x-2) = 0
x - 0, ± 2
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