b) x - 8 = -3 - 8
x - 8 = -11
x = -3
b) x - 8 = -3 - 8
x - 8 = -11
x = -3
tim x nguyen biet:
a 8.(x mu 2 +3).(5-x)
b)(2x + 1)mu 2=25
c) (1-3x)mu3 =64
d)(4-x)mu3 =-27
e) xmu2 -5x =0
Tim cac so nguyen x,y biet:a)*x2 -3*x+1 chia het cho x+2 b)x2-xy = 5x-4y-9 c) (x2-8)*(x2-15)<0 d) (x+1)2+(y+1)2+(x-y)2=2 e) (x2-4)x2>0 ai lam truoc minh tick,mai minh di hoc rui,lam giup minh di pls Thank ban truoc ne ;(
tim so nguyen x biet:a,(x2+8).(x2-9) = 0 b, (x2-5).(x2-25)<0 c,(x-3).(x+7)<0
tim x biet:a.2x^2-1=17/8;b.(2x-0,05)(x+3)>0;c.(7-x)(x+19)>0
tim so nguyen x,y,z biet: -4/8=x/-10=-7/y=z/-24
tim so nguyen x, biet
a. 7 - x = 8 - ( -7 )
b. x - 8 = ( -3 ) = -8
tim so nguyen a, biet
a. gia tri tuyet doi a gia tri tuyet doi = 2
b. gia tri tuyet doi a + 2 gia tri tuyet doi = 0
tim cac so nguyen x,y,z biet :-6/12=x/8=-7/y=z/-18
tim cac so nguyen x,y,z.
-4/8=x/-10=-7/y=z/-24
Tim so nguyen x,y biet
a) (x+5) mu 2 + (2y - 8 ) mu 2 = 0
b)(x + 3).(2y - 1 ) = 5