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Solve this equation and list the solution: x^3+18x=0

User MJ X
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1 Answer

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Factor out the common term x

x(x^2 + 18) = 0

Solve for x; How?

Ask yourself: When will x(x^2 + 18) eqal zero?

When x = 0 or x^2 + 18 = 0

Solve each of the 2 equations above

Thus, x = 0, ±3√2i

User Eftekhari
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