(x-2)(x-3)+2(x-6)(x-5)=3(x²-7x+15)(解方程)
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/04/29 13:21:36
(x-2)(x-3)+2(x-6)(x-5)=3(x²-7x+15)(解方程)
(x-2)(x-3)+2(x-6)(x-5)=3(x²-7x+15)
x²-5x+6+2(x²-11x+30)=3x²-21x+45
x²-5x+6+2x²-22x+60=3x²-21x+45
3x²-27x+66=3x²-21x+45
6x=21
x=3.5
x²-5x+6+2(x²-11x+30)=3x²-21x+45
x²-5x+6+2x²-22x+60=3x²-21x+45
3x²-27x+66=3x²-21x+45
6x=21
x=3.5
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
解方程(x-2)/(x-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7)
解方程(x+1/x+2)-(x+2/x+3)=(x+5/x+6)-(x+6/x+7)
解方程:x+2/x+1-x+3/x+2=x+6/x+5-x+7/x+6
解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)
解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3
解方程:2(X-3)(X+5)=X平方+(X+2)(X-2)+(X+7)
解方程:(x-2)(x^2-6x-9)=x(x-5)(x-3)
x-1\x-2+x-6\x-7=x-2\x-3+x-5\x-6 分式方程
解方程:2x+4x+6x...+100x=1-(x+3x+5x+...+99x)
解方程(x-2)X(x的平方-6x-9)=x(x-5)X(x-3)
解方程:(x-2)(x-3)+2(x+6)(x-5)=3(x的平方-7x+15)