Question 277429
{{{X^3-11x^2+18x=0}}}
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Begin by factoring out what is common among all three terms (which is an x):
{{{x(x^2-11x+18)=0}}}
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Then, factor the polynomial within the parenthesis:
{{{x(x-9)(x+2)=0}}}
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Finally, set each term on the left to zero to find the solution for x:
x = {-2,0,9}