Lenny C.
asked 08/07/22
Factor by grouping. 6x^4 - 9x^3 - 36x^2 +54x
Yefim S.
answered 08/07/22
Math Tutor with Experience
6x^4 - 9x^3 - 36x^2 +54x = 3x(2x3 - 3x2 - 12x + 18) =
3x[(2x - 3)x2 - 6(2x - 3)] = 3x(2x - 3)(x2 - 6) = 3x(2x - 3)(x - √6)(x + √6)
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