Completely factor the trinomial.Factor out any common monomials first(including -1,if necessary).?
回答 (2)
2008-07-23 4:07 pm
✔ 最佳答案
-3y^2 + 30y - 72= -3(y^2 - 10y + 24)
= -3(y^2 - 4y - 6y + 24)
= -3(y - 4)(y - 6)
2008-07-23 12:47 pm
3y ^2 + 30y -72 = - 3(y^2 - 10y + 24) = - 3(y-6)(y-4)
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