\(\left(x-2\right)\left(x-3\right)=0\)
\(\Leftrightarrow\left[{}\begin{matrix}x-2=0\\x-3=0\end{matrix}\right.\)
\(\Leftrightarrow\left[{}\begin{matrix}x=2\\x=3\end{matrix}\right.\)
|x+3| + |x-y| =0
|x-1| + (y-2)2 =0
|x-3| + |x-2y+1| =0
|x-2| + |3x .y-5| =0
|x-2| - 3|2-x| =-10
|x-3|+ |x-y+1|=0
|x-1| + (y+5)2020 =0
a) x( x-2 ) lớn hoặc bằng 0
b)x (x - 2 ) nhỏ hơn hoặc bằng 0
c) x+ 2/ 3 -x > 0
d) x+2/3-x < hoặc =0
e) (x^2 -2) * ( 16- x ^ 2) < hoặc bằng 0
Tìm x biết
1 . x^2 -x = 0
2. x^3 -9x =0
3 . 2x^3 -8x= 0
4. x^3 =x
5. x^3 -16x=0
a) 5/2 - x + 4/5 = 2/3 + 4/7
b) ( x - 1 ) x ( x + 2 )< 0
c) ( x + 3/5 ) x ( x+ 1 )<0
d) ( x - 1/3 ) x ( x + 2/5 )>0
tìm x
(x-1).(x+3)<0
(2-1).(x+5) >0
(x-5).(x+1/2)>0
(x+1).(x-3/2)<0
Tìm x: a)x*x+2*x-3=0 c)x*x+x+1=0 e)x*x-4*x+4=0
b)2*x*x+3*x+1=0 d)x*x-x-6=0
Tìm x,y biết :
|x-4|+|6-x|=0
|x+1|-|x-2|=0
|x+2|-|x-3|=0
|x-2|-|x-3|=0
|2x-1|-|x+1|=0
4x-6+2x=12
Tìm x
(3^2-2^3)x+3^2.2^2=4^2.3
x^5-x^3=0
(x-1)^2+(-3)^2=5^2.(-1)^100
(2x-1)^2-(2x-1)=0
Tìm x, x thuộc Q:
a) (x +1) * (x - 2) < 0
b) (x - 2) * (x + 2/3) > 0
c) x + 1/2 * (x - 1/3) < 0
Tìm x
a)2x^2-3x=0
b)x+1/2 - x-2/3 = 1/2
c) x^3-x^2=0
