(x-5)^2 = (3x+1)^2 x^2-10x+25 = 9x^2+6x+1 8x^2+16x-24 = 0 8x^2+16x+8-32 = 0 8(x^2+2x+1)-32 =
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/22 15:34:39
(x-5)^2=(3x+1)^2x^2-10x+25=9x^2+6x+18x^2+16x-24=08x^2+16x+8-32=08(x^2+2x+1)-32=(x-5)^2=(3x+1)^2x^2-1
(x-5)^2 = (3x+1)^2 x^2-10x+25 = 9x^2+6x+1 8x^2+16x-24 = 0 8x^2+16x+8-32 = 0 8(x^2+2x+1)-32 =
(x-5)^2 = (3x+1)^2 x^2-10x+25 = 9x^2+6x+1 8x^2+16x-24 = 0 8x^2+16x+8-32 = 0 8(x^2+2x+1)-32 =
(x-5)^2 = (3x+1)^2 x^2-10x+25 = 9x^2+6x+1 8x^2+16x-24 = 0 8x^2+16x+8-32 = 0 8(x^2+2x+1)-32 =
8(x^2+2x+1)-32
=8(x^2+2x+1)-8*4
=8(x^2+2x+1-4)
=8(x^2+2x-3)=0
(x^2+2x-3)=0
(x+3)(x-1)=0
(x+3)=0, (x-1)=0
x = -3, x = 1
*-----------------------------------------------*| 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 ||
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
解九宫格题目(X为未知数)9 X 2 X 7 X 8 X XX X 4 X X 9 X 6 X1 3 X 5 X X X X 24 X X 8 5 X X 1 XX 8 9 4 X 1 6 7 XX 1 X X 3 6 X X 88 X X X X 2 X 3 6X 5 X 6 X X 9 X XX X 7 X 4 X 2 X 1
(x-3/x-2)-(x-2/x-1)=(x-5/x4) -(x-4/x-3)
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
x(x-2)-2x(x+1)-3x(x-5) 其中x=负½
x(x+1)+(x+2)+(x+3)+(x+4)+(x+5) = 27求x
请问这道题咋做 :(x)X (x+1) X (x+2) X (x+3) =360
x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=?
解下列方程!就三道!解下列方程.1、x/x-2 - 1-x²/x²-5x = 2x/x-3(x/x-2 - 1-x²不是一起的!)2、5x/x²+x-6 - 5-2x/x²-x-12=7x-10/x²-6x+8(5x/x²+x-6 - 5-2x不是一起的!)3、x-4/x-5 + x-8/x-9=x-7/x-
x+5/x+1-3x-3/x+5=8x+28/x^2+4X-5-2(x+5)/(x+1)-(3x-3)/(x+5)=(8x+28)/(x^2+4X-5)-2
写过程x(x-1)+2x(x+1)-3x(2x-5)-x(3x-2)+2x(2-x)=-5x(x-2)-4
1.(1/X-1 )-2=X^-3X/X^-12.(X/X+1)^+5(X/X+1)+6=03.(8(X^+2X)/X^-1)+ 3(X^-1)/X^+2x
x/(x-2)-(1-x ² )/(x ² -5x+6)=(2-x)/(x-3) 解方程,急
x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4
x(x^2-1)+2x^2 *(x+1)-3x*(2x-5)=x(3x^2-4x)-28
求:(x-2)(x²-6x-9)-x(x-3)(x-5)其中x=三分之一.以及x²(x-1)-x(x²+x-1)其中x=二分之一的答案
5x-3(2x+1)=6x-4(5-3x)求x