\(\Leftrightarrow\left\{{}\begin{matrix}x-4< =0\\x+2>=0\end{matrix}\right.\Leftrightarrow-2\le x\le4\)
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choP=(1/(x-2)-x^2/(8-x^3)*(x^2+2x+4)/(x+2)0/1/(x^2-4) tim DKXD va rut gon b tim Min p c tim x nguyen de p chia het cho x^2+1
tim x
a) x(x - 2) + x -2 =0
b) 5x(x - 3) - x +3 =0
c) x + 4 - x(x+4)=0
(x-4)(x-2)<=0 tim x
Tim x
a, x\(^2\)-7x+12=0
b, x(x-4)-3(4-x)=0
Bàl 3. \( (1,5 \) điểm). Tim x, biét: a) \( x^{2}+11 x=0 \) b) \( (2 x-3)^{2}-(x+4)^{2}=0 \) c) \( x^{2}+7 x=8 \)
tim x : x2 -5x+4=0
x2+x-6=0
bài 1: tim x, biết
a,x.(x - 2) + x - 2 = 0
b,x3 + x + x + 1 = 0
c,5x.(x - 4) = 2x + 8
d,(5x - 4)2 - 49x2 = 0
tim x
x^2-5x-4(x-5)=0
2x(x+6)=7x+42
x^3-5x^2+x-5=0
x^4-2x^3+10x^2-20x=0
(2x-3)-x^2+10x-25=0
tim x,y: x^2+y^2-2*x+4*y+5=0