0.5(12-6x)(12-6x+5x)=48
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0.5(12-6x)(12-6x+5x)=48
0.5(12-6x)(12-6x+5x)=48
0.5(12-6x)(12-6x+5x)=48
0.5(12-6x)(12-6x+5x)=48
(12-6x)(12-6x+5x)=96
(12-6x)^2+5x(12-6x)-96=0
144-144x+36x^2+60x-30x^2-96=0
6x^2-84x+48=0
x^2-14x+8=0
x=[14±√(196-32)]/2=[14±2√41]/2=7±√41
0.5(12-6x)(12-6x+5x)=48
(12-6x)(12-x)=96
(2-x)(12-x)=16
x^2-14x+8=0
x=7+或- 根号41
3x·x-5x-122x·x·x-x·x-4x+3x·x·x-6x-5x·x+6x+64x·x+12x+7
x^2-6x+5/-x^2+4x+12
(x^5-12x^3+36x)/(x^2-6)
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计算(X^5-12X^3+36X)/(X^3-6X)X^5代表X的5次
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