2\3X-2(3-X)≤3(X-3)
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2\3X-2(3-X)≤3(X-3)2\3X-2(3-X)≤3(X-3)2\3X-2(3-X)≤3(X-3)2/3x-2(3-x)≤3(x-3)去分母,不等式两边同时乘32x-6(3-x)≤9(x-3
2\3X-2(3-X)≤3(X-3)
2\3X-2(3-X)≤3(X-3)
2\3X-2(3-X)≤3(X-3)
2/3x-2(3-x)≤3(x-3) 去分母,不等式两边同时乘3
2x-6(3-x)≤9(x-3) 去括号
2x-18+6x≤9x-27 移项
2x+6x-9x≤-27+18 合并
-x≤-9 系数化1
x≥9
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x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x)
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x(x-2)(x-3)
{x|(x+3)(x-2)
-x^3+x^2-x
(x*x-3)*(x*x-3)-x*(x*x-3)-2x*x 因式分解
x×x+3x-9/ x+2
x+2x+3x+.+100x
x^2-3x
|X+3|+|X-2|
|x+3|+|x-2|
3x-2x
|x-2|-|x-3|
|x+3|+|x-2|
x^(-2)-x^(-3)
|x+3|+|x-2|