\(x+\dfrac{1}{4}=0\\ x=0+\dfrac{1}{4}=\dfrac{1}{4}\)
\(\Leftrightarrow x-\dfrac{1}{4}=0\)
hay \(x=\dfrac{1}{4}\)
\(x+\dfrac{1}{4}=0\\ x=0+\dfrac{1}{4}=\dfrac{1}{4}\)
\(\Leftrightarrow x-\dfrac{1}{4}=0\)
hay \(x=\dfrac{1}{4}\)
Bài 1 : tìm x biết
a) ( /x/ - 1/4 ) . ( x2 - 9 ) = 0
b) ( /x/ + 2 ) . ( /x/ - 4 ) = 0
c) ( x2 - 1/4 ) . ( x2 - 1/10 ) = 0
d) ( x + 2 ) . ( x - 3 ) < 0
e) ( x - 1/4 ) . ( x + 1/2 ) > 0
Bài 1 : Tìm x biết
a) ( /x/ - 1/4 ) . ( x2 - 9 ) = 0
b) ( /x/ + 2 ) . ( /x/ - 4 ) = 0
c) ( x2 - 1/4 ) . ( x2 - 1/16 ) = 0
d) ( x + 2 ) . ( x - 3 ) < 0
e) ( x - 1/4 ) . ( x + 1/2 ) > 0
Tìm x :
a , ( x -2 ) ( x + 7 ) bé hơn bằng 0.
b , ( x - 3 ) ( x - 4 ) bé hơn bằng 0 .
c , ( 3x + 1 ) ( x - 4 ) < 0.
d , ( x - 1 ) ( 2x - 1 ) > 0
|x-3| + |y-2x | =0 |x| + 3|2x -x ² | =0 |5x ² -5 | + 4|y-7 | =0 ||x +1 | + |y-5 |=0 |x ² -1| + |y-1| =0 |x-1 | +|x ²-x |=0
Tìm x biết
a,(x-1).(x+4)<0
b,x.(4-x)>0
c,(1-3x).(8+x)<0
d,2x+6/4-x>0
a,x.(4/5.x-1),(0,1.x-10)=0 b,(1/4.x-1)-(5/6.x+2)-(1-5/8.x)=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
2(x+1)-4x=6
3(2-x)+4(5-x)=4
7/3(x-4/3)+2/5(4-1/3x)=0
(x+1)(x-3) =0
nhanh giúp mik nha
Tìm x ,y ,z biet :
a, |x+3/4|+|y-1/5|+|x+y+z|=0
b, |3x-4|+|3y-5|=0
c,|x+3/4|+|y-2/5|+|z+1/2| <0
d, |x+1/5|+|3-y|=0
Tìm x, biết:
a) 0 , ( 37 ) + 0 , ( 62 ) . x = 10
b) 0 , ( 12 ) : 1 , ( 6 ) = x : 0 , ( 4 )
c) 0 , ( 37 ) . x = 1
d) 0 , ( 26 ) . x = 1 , 2 ( 31 )