[1] x的平方-x-6 [2] 50y的3次-2y

问题描述:

[1] x的平方-x-6 [2] 50y的3次-2y

(1)x^2-x-6
=(x-3)*(x=2)
(2)50y^3-2y
=2y*(5y-1)*(5y+1)