SOLUTION: Please help me factor this equation: {{{ 6r^2-14r-12 }}}

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Question 703505: Please help me factor this equation: +6r%5E2-14r-12+
Found 2 solutions by mananth, MathLover1:
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
+6r%5E2-14r-12+
6*12=72
split 72 such that their sum is -14 and product is -72

6r%5E2-18r%2B4r-12

6r%28r-3%29%2B4%28r-3%29

(r-3)(6r+4)

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

+6r%5E2-14r-12+...factor out 2
+2%283r%5E2-7r-6%29+
2%283r%5E2-7r-6%29......replace -7r with 2r-9r
2%283r%5E2%2B2r-9r-6%29....group
2%28%283r%5E2%2B2r%29-%289r%2B6%29%29
2%28r%283r%2B2%29-3%283r%2B2%29%29
2%28r-3%29%283r%2B2%29