X^3-60X^2+900X -4000=0的三个解

来源：学生作业帮助网编辑：六六作业网时间：2024/07/13 23:18:56

X^3-60X^2+900X-4000=0的三个解X^3-60X^2+900X-4000=0的三个解X^3-60X^2+900X-4000=0的三个解显然X=10是方程的解,于是对左式提取因式(x-1

X^3-60X^2+900X -4000=0的三个解
X^3-60X^2+900X -4000=0的三个解

X^3-60X^2+900X -4000=0的三个解
显然X=10是方程的解,于是对左式提取因式(x-10)得：
X^3-60X^2+900X-4000=(X-10)(X^2-50X+400)=(X-10)(X-10)(X-40)
所以：(X-10)2(X-40)=0
X1=X2=10,X3=40

*-----------------------------------------------*| 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 || x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x) 填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x 七年级下册政治复习提纲(山东人民出版社)第五单元是青春的脚步青春的气息别弄错了啊!格式：X X X X X X X X X 1、X X X X X X X X X X.2、X X X X X X X X X.3、X X X X X X X X X X X. x(x-2)(x-3) {x|(x+3)(x-2) -x^3+x^2-x x×x+3x-9/ x+2 x+2x+3x+.+100x (x*x-3)*(x*x-3)-x*(x*x-3)-2x*x 因式分解一元二次方程不会.x-x^2+60(x+2)(x-3)>0x>3或x (4/x-5)+(x-3)/(12-x)=(x-45)/(x^2-17x+60) X^3-60X^2+900X -4000=0的三个解 x^2-3x |X+3|+|X-2| |x+3|+|x-2| 3x-2x |x-2|-|x-3|