SOLUTION: {{{x^3 + 2x^2

SOLUTION: {{{x^3 + 2x^2 - 9x = 18}}}

Question 164069:
Answer by Edwin McCravy(20055) (Show Source): You can put this solution on YOUR website!





Factor  out of the first two terms:



Factor  out of the last two terms:



Factor  out of each term:



Factor the second parentheses as the difference of two squares:



Use the zero-factor principle:


   
Edwin

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