63/[x-1]
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63/[x-1]63/[x-1]63/[x-1]7/9=0.63/[x-1]7[x-1]=5.67X-1=0.81X=1.819*0.63=7x-75.67+7=7x7x=12.67x=1.817×(
63/[x-1]
63/[x-1]
63/[x-1]
7/9=0.63/[x-1]
7[x-1]=5.67
X-1=0.81
X=1.81
9*0.63=7x-7
5.67+7=7x
7x=12.67
x=1.81
7×(X-1)=9×0.63
X-1=9×0.63÷7
X-1=0.81
X=1.81
7/9=0.63/[x-1]
[x-1]=0.63÷7/9
[x-1]=0.63×9/7
[x-1]=0.81
x =1.81
x(2x+1)(2x-3)(x-2)-63
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(3x+1)(3x-1)=63,求x
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3X-(3x-1)/4=x/63X-4分之3x-1=x/6
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分解因式:1、x^3-x^2-x-2 2、x^4-6x^2-7x-6 3、x^8+x+1 4、x分解因式:1、x^3-x^2-x-22、x^4-6x^2-7x-63、x^8+x+14、x^4+1/4y^45、18a^2-a^4-81
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63/[x-1]
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x+1/5x=12 4/5x+x=63
分解因式x(2x+1)(2x-3)(x-2)-63
2x(2x+1)(2x-3)(2x-2)+63