1 (2x-5)^2-(2x-1)(4x+3)>8-(2x-3)(2x+3) 2 -2(x-3)(-x-3)-(2x-3)^2
问题描述:
1 (2x-5)^2-(2x-1)(4x+3)>8-(2x-3)(2x+3) 2 -2(x-3)(-x-3)-(2x-3)^2
答
(2x-5)^2-(2x-1)(4x+3)>8-(2x-3)(2x+3)
4x^2-20x+25-8x^2-2x+3-8+4x^2-9>0
-22x+11>0
-22x>-11
22x