SOLUTION: I need help in factoring this equation! I also need it to be shown to me step by step because I dont know how to solve it! {{{ 2x^3-x^2-18x+9=0 }}}

SOLUTION: I need help in factoring this equation! I also need it to be shown to me step by step because I dont know how to solve it! {{{ 2x^3-x^2-18x+9=0 }}}

Algebra.Com

Question 293833: I need help in factoring this equation! I also need it to be shown to me step by step because I dont know how to solve it!

Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!

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Apply the technique of "grouping" -- sometimes you may have to reorder terms but in your case you do not:
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Now, factor each expression inside the parenthesis:

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Check whether or not you can factor further. In this case, we see a "difference of squares":

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From here, we see that our solutions are:
x = {1/2, 3, -3}
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