`(2.x-4)^3=64`
`=>(2.x-4)^3=4^3`
`=>2.x-4=4`
`=>2.x=4+4`
`=>2.x=8`
`=>x=8:2`
`=>x=4`
`(2x-4)^3= 64`
`->2x - 4 = 4`
`-> x = 4`
`(2.x-4)^3=64`
`=>(2.x-4)^3=4^3`
`=>2.x-4=4`
`=>2.x=4+4`
`=>2.x=8`
`=>x=8:2`
`=>x=4`
`(2x-4)^3= 64`
`->2x - 4 = 4`
`-> x = 4`
a,|x|-7/6=9/15
b,|x-4/3|=1/6
c,|x-4/3|-1/3=1/2
d,8/3-|7/9-x|=-1/5
e,|x-1/4^2|-25/64=0
f,(x-1/4)^2+17/64=21/32
1.Tìm số tự nhiên x, biết a) x^3=7^3 b) x^3=27 c) x^3=125 d) ( x+1)^3=125 e) (x-2)^3=2^3 f) (x-2)^3=8 h) (x+2)^2=64 j) (x-3)^6=64 k) 9x^2=36 l) (x-1)^4=16 Giúp tớ vs
4 mũ 2x+4=64
3 mũ x-1+ 3 mũ x-2=108
Tìm x:
(2^3:4).2^(x+1)=64
tìm x thuộc Z:(x-3)^2=(4^17+64):(4^16+16)
TÌM X
a)5*(x-1)+3=43
b)(1+2+3+4+...+50)+x=5050
c)(2*x+1)3=64
(x-3)^2=(4^17+64)/(4^16+16)
(x-3)^2 = (4^17 + 64) : (4^16 +16)
(-3,2)x-15/64+(0,8-2/4/15:3/2/3=
c) ( x + 4 )2 - 64 = 0
d) ( x + 13 )3 + 27 = 0
g) ( 3x + 2 )2 ( x - 11 ) < 0