Tìm GTNN 

2) B= /3x-1/+/4y+2/-3x

3) C= /2x-1/+/2x+5/+2017

4) D= /x+3/+/2x-1/+/x-1/

tim x nguyen biet:

a 8.(x mu 2 +3).(5-x)

b)(2x + 1)mu 2=25

c) (1-3x)mu3 =64

d)(4-x)mu3 =-27

e) xmu2 -5x =0

bai1.tim x biet:

a,(x+2).(x+3)-(x-2).(x+5)=0

b,(2x+3).(x-4)+(x-5).(x-2)=(3x-5).(x-4)

c,(8x-3).(3x+2)-(4x+7).(x+4)=(2x+1).(5x-1)=33

tim x biet 
(2x=1)^2 - 4(x=2)^2=9
3(x-1)^2 -3x(x-5)=1
3(x+2)^2+ (2x-1)^2 =7
7(x+3)(x-3)=36

tìm x: part 1 : a,(x^3)^2-(x+1)(x-1)=1 b,(x-2)^2-3(x-2)=0 c,(x+2)(x^2-2x+4)-x(x^2+2)=15 d,(x+1)^2-(x+1)(x-2)=0 e,4x(x-2017)-x+2017=0 f,(x+4)^2-16=0 part 2: a,x^3+27+(x+3)(x-9)=0 b,(2x-1)^2-4x^2+1=0 c,2(x-3)+x^2-3x=0 d,x^2-2x+1=6x-6 e,x^3-9x=0

1) tim x thuoc n biet:

a) 3 mu 4 - x = 81

b) 5 mu x -1 = 125

c) (2 - x) mu 3=27 mu 0

d)3 mu x + 2 -3 mu x +1=182

e) 2 mu x -1  -2 mu x =16

tính giá trị của biểu thức:

\(P=\left(2x^5+2x^4-x^3-1\right)^{2016}+\left(\sqrt{2x+2x-3x+3x+3}\right)^3+\dfrac{\left(2x^3+2x^2-x-3\right)^{2017}}{2x^4+2x^3-x^2-3^{2017}}\)

khi \(x=\sqrt{\dfrac{2-\sqrt{3}}{2}}\)

tim cac so nguyen x,y biet

a)(x+5)².(y-2)=8

b)(2x+4)¹⁰+(xy-y-6)=0

c)|x+y-5|+|x-y-3|=0

d)|(x-1)²-1|²⁰¹⁵+4-(y-2)²⁰¹⁷
 

giup mik voi tim x biet

1, 5-(3x+6)>-2x+1

2, -7.(x+2)-3x<6-11x

3, (x+1).(x+2)-x.(x+3)<4-x

4, 6-2x>17+(4-x)