\(( 3x -14) ^3 = 2^5 x 5^2 + 200\)
\((3x-14)^3=\)\(32.25+200\)
\((3x-14)^3=800+200\)
\((3x-14)^3=1000\)
\((3x-14)^3=10^3\)
\(3x-14=10\)
\(3x=10+14\)
\(3x=24\)
\(x=24:3=8\)
( 3x -14) ^3 = 2^5 x 5^2 + 200
\(\left(3x-1\right)^3=25.\left(3x-1\right)\)
\(\left(3x-14\right)^3=2^5.5^2+200\)
Tìm x
a)\(\left(3x-1\right)^3=25.\left(3x-1\right)\)
b)\(3^{2x+2}=9^{x+3}\)
c)\(8^{2x+1}=2^{27}:4^6\)
d)\(2.3^x=10.3^{12}+8.27^4\)
e)\(\left(3x-14\right)^3=2^5+5^2+200\)
Bài 2 :
a, ( 7 mũ x - 11 mũ 3 ) = 2 mũ 5 × 5 mũ 2 + 200
b, (3x - 2 mũ 10 ) = (3x - 2) mũ 7
a)(7x - 11)3 = 25. 52 + 200
b)32 .x2 - 22.x2 =35. 5 - (255: 51) . 11
c) 54x. 514 =578
d) 33 . x2 - 24. x2= 82 . 5 - 42 . 32
e) (3x - 6) .3 =35
1+2+3+.....+99=100
10+12+14+...+198+200
10+12+14+....+98+100
1+3+5+.......+47+49
1+3+5+.....+997+999
2+4+6+....+886 + 888
(9x - 2³) : 5=2
3x . [ 8² -2 .( 2⁵-1)]=2022
[ 3⁴ - ( 8² +14) :13] . x=5²+10²
2²: ( 6x - 3²) - 3 = 33
Tìm x
2480 - 4710 : 3 = [200 -( x -5)]= 1010
{[(2.x +14) : 22 - 3 ] : 2 } -1=0
a) 2/3+1/3:x=3/5
b) 10/3x +67/4=-13,25
c) x+30℅x=-1,3
d) (14/5x -50):2/3=51
e) 2/5+3/5.(3x-3,7)= -53/10
f) 2/3x -3/2x =5/12
200-5[(53-33).14]
75:73+15(23.15-5.4)
