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Factor 12r^2+70+72 completely

User Raja Kishan
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1 Answer

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

User Jaza
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