Các câu hỏi tương tự
a, Cho F(x) = a x+b . Tim a,b biet f(0) = 3 va F(2) =-1
b, Cho F(x) =a x+ b. Tim a,b biet F(1) = -1 va F(-2) = 8
c, Cho F(x) =a x +b .tim a,b biet F(0) = 1 va F(-2) = -9
Tim x biet:
(x-3)^2-x/x-3/=0
Tim x biet:3*x+x2=0
tim x thuoc Z biet x^3-x^2+x-1=0
tim x biet (x^2-1)(x^2-3)(x^2-5)(x^2-7)<=0
tim x thuộc q biet ( x - 2) nhân ( x+2/3 ) > 0
tim x biet
a) [x-3].[x+2]=0
b) [x+1] . x < 0
tim x biet :
( 2-x ) x (4/5-x ) < 0
(x - 3/2) x ( 2x + 1 ) > 0
tim cac so nguyen x,y biet x^2-(y-3)x-2y-1=0