Các câu hỏi tương tự
|x+3|+|-x-3|=20
-(-1-x)+(-x)^3+x(x^2-2)=-30
2*x*x*x+3*(-x)^2*x+4*(-x)^3-5*(-x)=-10
x^2(x-2)-16x+32=0
|x+3|=|2x-9|
(2x+9)^2=(x+15)^2
|x-15|-|2x+6|=0
tìm X
1/4+2.(3.x-2/3)=1
(1/2+2X). (2x-3)=0
(4x-5).(5/4.x-2)=0
1/9-(2.x+1/2)mũ 2=0
9.(3x-1/2)mũ 2 =4
1/2.x+2/3.x-1=-10/3
X+1/12=-3/9
Bài 1:a)-2x-3.( x-17 ) 34-2.( -x+25 )b)17x+3.( -16x-37 ) 2x+43-4xc){-3x+2. [ 45-x-3 ( 3x+7 ) -2x]+4x} 55g)-103-57: [ 5.( 2x-1 )2-( -9 )0 ]Bài 2:a)-5.( -x+7 )-3.( -x-5 )-4.( 12-x )+48b)7.( -x-7 )-4.( -2x-11 )7.( 4x+10 )+9c)-2.( 15-3x )-4.( -7x+8 )-5-9.( -2x+1 )d)5.( -3x-7 )-4.( -2x-11 )7.( 4x+10 )+9e)4( x-2 )2-13( -3 )2.2-11.( -3 )f)-52-( 2x-1 )3( -13 ).( -3 )
Đọc tiếp
Bài 1:
a)-2x-3.( x-17 )= 34-2.( -x+25 )
b)17x+3.( -16x-37 )= 2x+43-4x
c){-3x+2. [ 45-x-3 ( 3x+7 ) -2x]+4x} = 55
g)-103-57: [ 5.( 2x-1 )2-( -9 )0 ]
Bài 2:
a)-5.( -x+7 )-3.( -x-5 )=-4.( 12-x )+48
b)7.( -x-7 )-4.( -2x-11 )=7.( 4x+10 )+9
c)-2.( 15-3x )-4.( -7x+8 )=-5-9.( -2x+1 )
d)5.( -3x-7 )-4.( -2x-11 )=7.( 4x+10 )+9
e)4( x-2 )2-13=( -3 )2.2-11.( -3 )
f)-52-( 2x-1 )3=( -13 ).( -3 )
tìm x biết:
(3x-1) [- 1/2x+5]=0
1/4+1/3:(2x-1)=-5
[2x+3/5]2 - 9/25=0
-5(x+1/5)-1/2(x-2/3)=3/2x - 5 /6
[x+1/2]x [2/3-2x]=0
17/2-|2x-3/4|=-7/4
2/3x-1/2x =5/12
(x+1/5)2+17/25=26/25
[x.44/7+3/7].11/5-3/7=-2
3[3x-1/2]+1/9=0
Tìm x biết
a) (2x-1)^3=8
b) (x-2)^2=16
c) (2x-3)^2=9
Xem chi tiết
tim x
a, 2^x + 2^x+3 = 144 ( x+3 la so mu )
b,3^2x + 2 = 9^x+3 ( 2x va x+3 la so mu )
7-(2x-1/3)^2=3
(2x+1/3)^2-3/8=1/8
12:[29-(x-2/3)^2]=3
(3x-1/2)^3+8/3=29/9-14/27
2(2x-1/3)^2+4/3=5/6+13/18
Tìm X
Tìm x :
A)2x-3/7=6 2/7
B)3 1/3+5/6x=3 1/2
C)2x+30%.x=-4 3/5
D)2/3-|x-1/5|=5/9
Xem chi tiết
|2x-5|-7=22
15-|2x+3|=8
(2x+4)(x^2+9)=0
2(x-5)-3(x-4)=-6+15.(-3)
PHÂN TÍCH ĐA THỨC THÀNH NHÂN TỬ 9(x^2-2x-3)^4-37x^2(x^2-2x-3)^2+4x^2