3根號5x-2=7,x=?

2x+3x+4x+5x+x+6x+7x=1002x+3x+4x+5x+x+6x+7x=1002x+3x+4x+5x+x+6x+7x=1002x+3x+4x+5x+x+6x+7x=10028x=100x=100/28x=25/727x=100

x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7x=?x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7x=?x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7x=?x+2/x+1-x+4/x+3=x+

x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?x+2x

x(x+2)(x+3)(x+5)=7x(x+2)(x+3)(x+5)=7x(x+2)(x+3)(x+5)=7x(x+2)(x+3)(x+5)=7[x(x+5)][(x+2)(x+3)]=7(x²+5x)(x²+5x+6)

已知1+x+x^2+x^3=0,求x+x^2+x^3+x^4+x^5+x^6+x^7+x^8的值不是的话是多少?已知1+x+x^2+x^3=0,求x+x^2+x^3+x^4+x^5+x^6+x^7+x^8的值不是的话是多少?已知1+x+x^

如果1+x+x^2+x^3=0,求x+x^2+X^3+x^4+x^5+x^6+x^7+x^8的值,如果1+x+x^2+x^3=0,求x+x^2+X^3+x^4+x^5+x^6+x^7+x^8的值,如果1+x+x^2+x^3=0,求x+x^2

1)1+x+x^2=0,求1+x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^10的值2)1+x+x^2=0,求1+x+x^2+x^3+……+x^20的值1)1+x+x^2=0,求1+x+x^2+x^3+x^4+x^5+x^

1+x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11=17.7这个方程怎么样求解?1+x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11=17.7这个方程怎么样求解?

(x+1)(x+2)(x+3)(x+4)-(x^2+5x+3)(x^2+5x+7)=?(x+1)(x+2)(x+3)(x+4)-(x^2+5x+3)(x^2+5x+7)=?(x+1)(x+2)(x+3)(x+4)-(x^2+5x+3)(x^

(x-5)/(x/7)+(x-2)/(x-4)=(x-3)/(x-5)+(x-4)/(x-6)(x-5)/(x/7)+(x-2)/(x-4)=(x-3)/(x-5)+(x-4)/(x-6)(x-5)/(x/7)+(x-2)/(x-4)=(x

解方程(x-2)/(x-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7)解方程(x-2)/(x-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7)解方程(x-2)/(x-3)-(x-3)

解方程(x+1/x+2)-(x+2/x+3)=(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+1/x+2)-(x+2/x+3)=(x+5/x+6)-(x+

解方程：x+2/x+1-x+3/x+2=x+6/x+5-x+7/x+6解方程：x+2/x+1-x+3/x+2=x+6/x+5-x+7/x+6解方程：x+2/x+1-x+3/x+2=x+6/x+5-x+7/x+6通分化简得到(x+1)(x+2

解分式方程：(x+1)/(x+2)+(x+6)/(x+7)=(x+2)/(x+3)+(x+5)/(x+6)解分式方程：(x+1)/(x+2)+(x+6)/(x+7)=(x+2)/(x+3)+(x+5)/(x+6)解分式方程：(x+1)/(x

解方程：（x+1)/(x+2)+（x+6)/(x+7)=(x+2)/(x+3)+(x+5)/(x+6),为什么必须使方程两边分母常数差相等?我的解法：原方程=（x+1)/(x+2)+(x+6)/(x+7)=(x+2)/(x+3)+(x+5)

x-1\x-2+x-6\x-7=x-2\x-3+x-5\x-6分式方程x-1\x-2+x-6\x-7=x-2\x-3+x-5\x-6分式方程x-1\x-2+x-6\x-7=x-2\x-3+x-5\x-6分式方程X-1/X-2-(X-2)/(

(x-1)/(x-2)+(x-6)/(x-7)=(x-2)/(x-3)+(x-5)/(x-6)RT(x-1)/(x-2)+(x-6)/(x-7)=(x-2)/(x-3)+(x-5)/(x-6)RT(x-1)/(x-2)+(x-6)/(x-7

1.解方程(X+6)/(X+7)+(X+1)/(X+2)=(X+2)/(X+3)+(X+5)/(X+6)2.若方程(X-1)(X平方+8X-3)=0的三根分别是X1,X2,X3.那么X1X2+X2X3+X1X3的值是?3.若A/B=B/C=

x+1/x+2+x+6/x+7=x+2/x+3+x+5/x+6多少了!x+1/x+2+x+6/x+7=x+2/x+3+x+5/x+6多少了!x+1/x+2+x+6/x+7=x+2/x+3+x+5/x+6多少了!x+1/x+2+x+6/x+7

解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)写清楚一点解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)写清楚一点解方程:(x+3