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Factor 12r^2+70+72 completely

Factor 12r^2+70+72 completely
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10 votes
Factor 12r^2+70+72 completely

User Edwin Joassart
by
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1 Answer

11 votes


y = 14r^2 + 70r + 72\\\text{let}\ y = 0\\12r^2 + 70r + 72 = 0\\6r^2 + 35r + 36 = 0\\(2r + 9)(3r + 4)\\

User Usual Me
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