(7x - 11)3 = 25 * 22 + 200
= (7x - 11)3 = 128 + 200
= 7x - 113 = 328
= 7x - 1331 = 328
= 7x = 328 + 1331
= 7x = 1659
= x = 1659 : 7
= x = 237
Vậy x = 237
tim x biet
\(\left(7x-11\right)^3=2^5.5^2+200\)
minh can cach lam gappppppp ai nhanh minh tk luon
(7x-11)3 =25.52 +200
tim x
tim x thuoc N
(7x-11)3=25.22+200
Tim x biet
A, 2x +23x = 625
B, (2^2+4^2) x + 2^4 ×5 ×x =100
C, (3x + 1)^2 = 6^2 + 8^2
D, (7x -11)^3 = 7^2 × 5^2 - 15^2
E, (2x- 1)^4 = 3× (3^2+4^3+2)
tim x biet
a)2^x+2 -2^x=96
b)x-(50x/100+25x/200)=111/4
c) (x-5).30/100=200x/100+5
(5+x)^2-36=0
(7x-11)^3=2^5+5^2+200
A,3^3. x-3^4=2^5-5
B,(2^3+2^1). x+3^2.x?5-10=10^2
C,(2^x+1)^3.2^2=500
D,(7x-11)^3=32.5^2+200
E,5.(3x-2)^2-3^3:3^2=2
F,(x-5)^19=16.( x-5)^6
G,4^x+80=3^yy
Tim x va y thuoc N
Tìm x biết : ( 7x - 11 )^3 = 2^5 . 5^2 + 200
(7x - 11) mũ 3 = 2 mũ 5 x 5 mũ 5 + 200
