tìm x; y
3xy-x+y=5
tim x,y:
3xy-6x+y+3=0
Tim so tu nhien x,y :
(2x+1)(y-5)=12
(6x-12)(4y+8)=0
Tim x:
a) x^2 + 2x = 0
b) (x - 3) + 2x^2 - 6x = 0
c) (x^2 + 1). (x + 2011) = 0
d) (x - 2)^2 = 1
Tim x,y,z la cac so nguyen sao cho: 6x+ 15y+ 10z= 3
Tim cac so nguyen x y z sao cho 6x+15y +10z = 3
Tim so nguyen x, biet :
a/ -24 + (x + 4)^4 = 10^3
b/ 2.(x + 7) - 3.(6 - x) = -24
c/ 3x - 6x^2 = 0
tim x la so nguyen;
a) -45: 5 *(-3 - 2x ) =3
b) -2 * (x + 6 ) + (6x - 10) = 10
c) (x- 2) * (2016 + 2x ) = 0
Tim x thuoc so nguyen,biet:
a. (x+1).(x-2)=0
b.10+3(x-1)=10+6x
c. x-96=(9443-x)-15