(1)36x^2-1=0; (2)4x^2=81; (3)(x+5)^2=25; (4)x^2+2x+1=4.
来源:学生作业帮助网 编辑:六六作业网 时间:2025/01/23 04:08:12
(1)36x^2-1=0;(2)4x^2=81;(3)(x+5)^2=25;(4)x^2+2x+1=4.(1)36x^2-1=0;(2)4x^2=81;(3)(x+5)^2=25;(4)x^2+2x+
(1)36x^2-1=0; (2)4x^2=81; (3)(x+5)^2=25; (4)x^2+2x+1=4.
(1)36x^2-1=0; (2)4x^2=81; (3)(x+5)^2=25; (4)x^2+2x+1=4.
(1)36x^2-1=0; (2)4x^2=81; (3)(x+5)^2=25; (4)x^2+2x+1=4.
(1)36x^2-1=0;
x^2=1/36
x=±1/6
(2)4x^2=81;
x^2=81/4
x=±9/2
(3)(x+5)^2=25
x+5=±5
x1=-10,x2=0
(4)x^2+2x+1=4.
(x+1)^2=4
x+1=±2
x1=-3,x2=1
1、x=1/6或-1/6
2、x=9/2或-9/2
3、x=0或-10
4、x=1或-3
(1)36x^2=1;x^2=1/36 x=1/6
(2)4x^2=81 x^2=81/4 x=9/2
(3)(x+5)^2=25 x+5=5 x=0
(4)x^2+2x+1=4 (x+1)^2=4 x+1=2 x=1
一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X
x^4+x^3+x^2+x+1=0,x^2006+x^2005+x^2004+x^2003+x^2002
已知1+x+x^2+x^3=0,求x+x^2+x^3+x^4+x^+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,
*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X ||
已知x^-x-1=0,求x^4+x^3-x^2-4x+3
(X-3分之x-1-x分之x-4)除以x的平方+3x分之(x+3)(x-2),其中(x-1)(x-2)=0
若x^3+x^2+x+1=0,求代数式1+x+x^2+x^3+x^4+x^5+...+x^2006+x^2007的值
已知x^4+x^3+x^3+x^2+x^1+1=0,求x^100+x^99+x^98+x^97+x^96的值
(x/x-2)+(2/x*2+2x)-(x+6/x*2-4)化简,=x^2/x(x-2)+(2x-4)/x(x^2-4)-(x^2+6x)/x(x^2-4)=x^2/x(x-2)-(x+2)/x(x-2)=(x-2)(x+1)/x(x-2)=(x+1)/x
解方程 式子 6-2x+3x=3x-4x+3x+18 6-x+3x=2x-5x+1 2x-1=5x-36-2x+3x=3x-4x+3x+18 6-x+3x=2x-5x+12x-1=5x-3
如果X*X--1=0,那么X*X*X+2*X*X+2008=几?
已知x*x+x-1=0 求x*x*x-2x+11=?
(x-3/x-2)-(x-2/x-1)=(x-5/x4) -(x-4/x-3)
已知x*x+x-1=0求x*x*x-2x+2010的值
x(x+1)+(x+2)+(x+3)+(x+4)+(x+5) = 27求x
4x²+5x=81 x(x+5)=0 (2x-x)(x-1)=0 x(x+5)=5x-10 (3x-2)(x+1)=x(2x-1)
解方程(x/x(x+2))+(x/(x+2)(x+4))+.+x/(x+8)(x+10)=1