SOLUTION: How do you factor 12x³ -15x² - 18x by grouping?

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Question 673107: How do you factor 12x³ -15x² - 18x by grouping?
Found 2 solutions by mananth, MathTherapy:
Answer by mananth(16946) About Me  (Show Source):
Answer by MathTherapy(10553) About Me  (Show Source):
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How do you factor 12x³ -15x² - 18x by grouping?

3x%284x%5E2+-+5x+-+6%29 ----- Factoring out GCF, 3x

3x%284x%5E2+-+8x+%2B+3x+-+6%29 ----- Replacing - 5x with - 8x + 3x

3x[4x(x - 2) + 3(x - 2)] ----- Factoring within parentheses by grouping

highlight_green%283x%284x+%2B+3%29%28x+-+2%29%29

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