`(3x-1)^2=25`
`=>3x-1=5` hoặc `3x-1=-5`
`=>x=2` hoặc `x=-4/3`
x:3x-1=5^2
x:3-1=5
x:3=5+1
x:3=6
x=6.3
x=18
`(3x-1)^2=25`
`=>3x-1=5` hoặc `3x-1=-5`
`=>x=2` hoặc `x=-4/3`
x:3x-1=5^2
x:3-1=5
x:3=5+1
x:3=6
x=6.3
x=18
Tìm x thuộc Z sao cho 1/10+1/40+1/88+...+1/(3x+2).(3x+5)+ 4/25
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
12-(3-x)=3x+1
/x-5/+/x^2-25/=0
25%x-3(1/2-3x)-3/2/3=2,5x-(3/20)^3
Tìm X
Tìm x liên quan đến lũy thừa:
1, \(\left(3x-\dfrac{1}{5}\right)^2=\left(\dfrac{-3}{25}\right)^2\)
2, \(\left(2x-\dfrac{1}{3}\right)^2=\left(\dfrac{-2}{9}\right)^2\)
3, \(\left(\dfrac{1}{3}-x\right)^2=\dfrac{9}{25}\)
4, \(\left(5-x\right)^2=25\)
(3x-1)2=25
Tìm x thuộc N
25%x-3 (1/2-3x)-3/2/3=2,5x-(3/2)^3
( tìm x )
Tìm X
25%x-3(1/2-3x)-3/2/3=2,5x-(3/20)^3
Tìm x biết
a) (x-1/2)^2=4
b) 10/1/2-(x+1/3)^2=1/1/2
c) (x-1/5)^2+17/25=26/25
d) 1/5/27+(3x-7/9)^3=24/27