4(x²+4x-12)/6(x²+5x-6)
问题描述:
4(x²+4x-12)/6(x²+5x-6)
答
4(x²+4x-12)/6(x²+5x-6)
=4(x+6)(x-2)/6(x+6)(x-1)
=2(x-2)/3(x-1)