(x2-5x-17)除以(-x2+2x-2)>1
问题描述:
(x2-5x-17)除以(-x2+2x-2)>1
答
两边乘-1
(x²-5x-17)/(x²-2x+2)
(x2-5x-17)除以(-x2+2x-2)>1
两边乘-1
(x²-5x-17)/(x²-2x+2)