3X(X-2)=6X-12
2个回答
3X(X-2)=6X-12
得3X²-6X=6X-12
移项整理得
3X²-12X+12=0
即X²-4X+4=0
即(X-2)²=0
所以X=2
相关问题
6x^4-13x^3+12x^2-12x+6
－12x^4+6x^2-3x^6=(－3x）·________
2x(x-3)-(x-3)(x+6)=x²+12
(12x^3-18x^2+6x)/(-6x)=
3X(X-2)=6X-12
计算:(12x^3-6x^2)/3x^2=
x^3*x^5*x+(x^3)^12+4(x^6)^2
1/2-x=1/x-2-6-x/3x²-12
[6(x-2)²+12(x+2)(x-2)-3(x-1)²(x-2)]÷[3(2-x)]
(x^5-12x^3+36x)/(x^2-6)