how do you factorise x^4-3x^3-22x^2+12x+72 ?

how do i factorise this function?
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2 Answers

(X-2)(x+2)(x+3)(x-6)
by Level 6 User (23.6k points)
(x^2-4)(x-6)(x+3)
by Level 4 User (7.9k points)

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