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Maryjane Konopelski

Lvl 10
3y ago
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Wiki User

11y ago

x3 - 4x factor the common factor out

= x(x2 - 4) factor the difference of the squares

= x(x + 2)(x - 2)

If you want to find the values of x which make the given expression equal to zero, then it will happen if

x = 0, or

x + 2 = 0, which yields x = -2, or

x - 2 = 2; x = 2

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Q: How do you solve X power of 3 - 4X?
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