(x^4-33x^2-40x+244)/(x^2-8x+15)=5成立,则(1)x=根号下(19-8根号下3)(2)x=根号下(19+8根号下3)

问题描述:

(x^4-33x^2-40x+244)/(x^2-8x+15)=5成立,则(1)x=根号下(19-8根号下3)(2)x=根号下(19+8根号下3)
(1)能否充分说明题干,(2)呢?

如果是解方程,应该有4个解.