Các câu hỏi tương tự
Tìm x
A= 2x-8 co gia tri am
B=6-x co gia tri ko duong
C=(x-2)(2x+6)co gia tri am
D=3x2+9x co gia tri duong
E=x-2/x1 co gia tri am
F=2x-5/x-4 co gia tri duong
G=x+1/3-X co gia tri ko am
Cho biet thuc Đại so P=2x^2+3x .Tim Gia tri cua x de bieu thuc P co gia tri la 5
tim cac so nguyen x de cac bieu thuc sau co gia tri nguyen:
a.-24/x+18/x
b.2x-5/x+1
c.3x+2/x-1-x-5/x-1
d.5x-4/2x+3 - 2x-5/2x+3
tim cac gia tri cua x de bieu thuc sau nhan gia tri am
a)x mu 2 + 5x b)x mu 2 - 5/2x c)3(2x+3)(3x-5) d)x - 2/x-6 e) x mu 2 -1/x mu 2
tim cac gia tri cua x de
a)1/x_1>2
b)F=x^2_1/x^2 co gia tri am
Tim cac gia tri cua X de biet thuc sau nhan gia tri am
a)x^2+5x
b)3x(2x+3)x(4y-3)
giai tim x
2xmu2-3x co gia tri bang 0
x mu 2-5x co gia tri bang am 4
tim cac gia tri nguyen cua x de gia tri bieu thuc y=2x^2+1/2x-1 la so nguyen
tim gia tri nguyen cua x de cac bieu thuc sau co gia tri lon nhat
a) A=1/7−X
b) B = 27-2x/12-x