Question: I'm not sure how to factor this Please find the maxima, minima, and the intervals where the function is increasing or decreasing. y =18x4 -28x3

I'm not sure how to factor this

Please find the maxima, minima, and the intervals where the function is increasing or decreasing. y =18x4 -28x3 -120x2 +48 y = 18x4-28x3-120x+48 dy/ dK = 72 x 3- 84 x2-120 72 x 3 - 84 x 2 -120 = 0 12 ( 6 * 3 - 7 x 2- 10 ) = 0

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