8(2x-6)=0
2x-6 =0.8
2x-6 =0
2x =0+6
2x =6
x =6\2
x =3
8(2x-6) = 0
=> 2x - 6 = 0
2x = 0+6
2x = 6
x = 6:2
x=3
(6-2x).(x-8)=0
Tìm x
a.2x+(1+2+3+4+...+100) = 15150
b.(x+1)+(x+2)+(x+3)+(x+4)+(x+5)+(x+6)+(x+7)+(x+8)=36
c.0+0+4+6+8+...+2x=110
tìm số nguyên x biet
-2.(x+6)+6.(x-10)=8
x+5=20-(12-7)
(3x-9).(2x+6)=0
(2x+1).(3-x)=0
B1:Tìm x
a) (x-7).(x+3)<0
b) (2x+6).(x-5) nhỏ hơn hoặc bằng 0.
B2:Tìm x
a) (5x+8)-(2x-15)+21=2x-5
b) 3.(x-5)-4(x+8)=-12
c) |2x+6|-(-5)^2=3
+. là dấu nhân"x" nhé!
tìm x
( 3x - 15 )(10 - x)<0
( 2x - 8 ) (6 - x )≥0
( 15 - 5x ) ( 2x - 4)<0
1)2x-8x2=0
2)x-x2=0
3)7x=5x2
4)3x2=x
5) (2x-5)(x+9)+8-6x=0
6) (x+3)(5x-15)+2x-6=0
Tìm x
(2x-7)+17=6
12-2.(3-3x)=-2
-14+3.(-x+5)=-20
-90:5.(-3-2x)=6
(x+1).(x-3)=0
(2x-2).(x+4)=0
(22+4).(x+3)=0
(5-x).(6-2x)=0
3.(x+1)+5=x+8
-4.(2x+9)-(-8x+3)-(x+13)=0
Tìm số nguyên x, sao cho :
b) (4-2x) . (x+3)=0
c) -x . ( 8-2x)=0
d) (2x-6) . ( x-3)=0
Mấy bạn giúp mk nha !!!!
-x.(8-x)=0
(4-x).(x+3)=0
(3x-9).(2x-6)=0
