求解不等式1(x-1)(x2-3x+2)﹤0 2 (2x3-7x2-4x)﹤0 3 (x-1)(x+2)(x+3)≧04 ax2-(a+1)x+1﹤0 (a﹥0)5 |x-1|+|x+2|﹤5 6 (x-a2)(x-a)﹤0 x∈R 注3中x+3改为x-3

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求解不等式1(x-1)(x2-3x+2)﹤02(2x3-7x2-4x)﹤03(x-1)(x+2)(x+3)≧04ax2-(a+1)x+1﹤0(a﹥0)5|x-1|+|x+2|﹤56(x-a2)(x-a

求解不等式1(x-1)(x2-3x+2)﹤0 2 (2x3-7x2-4x)﹤0 3 (x-1)(x+2)(x+3)≧04 ax2-(a+1)x+1﹤0 (a﹥0)5 |x-1|+|x+2|﹤5 6 (x-a2)(x-a)﹤0 x∈R 注3中x+3改为x-3
求解不等式1(x-1)(x2-3x+2)﹤0 2 (2x3-7x2-4x)﹤0 3 (x-1)(x+2)(x+3)≧0
4 ax2-(a+1)x+1﹤0 (a﹥0)5 |x-1|+|x+2|﹤5 6 (x-a2)(x-a)﹤0 x∈R 注3中x+3改为x-3

求解不等式1(x-1)(x2-3x+2)﹤0 2 (2x3-7x2-4x)﹤0 3 (x-1)(x+2)(x+3)≧04 ax2-(a+1)x+1﹤0 (a﹥0)5 |x-1|+|x+2|﹤5 6 (x-a2)(x-a)﹤0 x∈R 注3中x+3改为x-3
(x-1)(x2-3x+2)﹤0
将(x的平方-3x+2)分解为(x-1)*(x-2),
(x-1)^2*(x-2)