x+\(\dfrac{y}{2}\)+x+\(\dfrac{2}{2}\)x2+4
=2x+\(\dfrac{4+y}{2}\)+4
x+\(\dfrac{y}{2}\)+x+\(\dfrac{2}{2}\)x2+4
=2x+\(\dfrac{4+y}{2}\)+4
cong phan thuc
a)x2+2/x2+4+5/x+2
b)x+y/2+x+2/2x2+4
c)8/(x2+3)(x2-1)+2/x2+3+1/X+1
cong phan thuc
x+y/2(x-y)+2y2/y-x
cong phan thuc
x2+2/x2+4+5/x+2
\(\dfrac{x}{x-y}-\dfrac{1}{x-y}-\dfrac{1-y}{y-x}\)
cong tru phan thuc
cong phan thuc
8/(x2+3)+7/x
cong phan thuc
8/(x2+3)(x2-1)+2/x2+3+1/X+1
Thực hiện phép tính
1/x+2 + 5/2x2+3x-2
-3x2/x3+11 + 1/x2-x+1 +1/x+1
1/1-x +1/1+x +2/1+x2 +4/1+x4
tim da thuc f(x) bac 3 biet tai x=-1da thuc nhan gia tri 16 va khi lan luot chia f(x)cho x-,x+2,x-4 deu c so du la 16
giúp mình giải bài này với
giải phương trình
a) ( x2-2x+1)- 4 = 0(x2-2x+1)-4=0
b) x2-x= -2x+2x2-x=-2x+2
c) 4x2+4x+1= x24x2+4x+1= x2
d)x2-5x+6= 0x2-5x+6=0