Factor 12r^2+70+72 completely

asked Apr 21, 2023 110k views

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11 votes

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

Usual Me answered Apr 27, 2023

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