\(x^2-6x+x-6=0\\ x\left(x-6\right)+\left(x-6\right)=0\\ \left(x+1\right)\left(x-6\right)=0\\ \left[{}\begin{matrix}x+1=0\\x-6=0\end{matrix}\right.=>\left[{}\begin{matrix}x=-1\\x=6\end{matrix}\right.\)
\(x^2-6x+x-6=0\\ x\left(x-6\right)+\left(x-6\right)=0\\ \left(x+1\right)\left(x-6\right)=0\\ \left[{}\begin{matrix}x+1=0\\x-6=0\end{matrix}\right.=>\left[{}\begin{matrix}x=-1\\x=6\end{matrix}\right.\)
Tìm x,biết
1) 3x^2 - 4x = 0
2) (x^2 - 5x) + x - 5 = 0
3) x^2 - 5x + 6 = 0
4) 5x(x-3) - x+3 = 0
5) x^2 - 2x + 5 = 0
6) x^2 + x -6 = 0
Tìm x biết x 2 - 5 x + 6 + ( x - 1 ) ( x - 2 ) = 0
Tìm x biết:
a) 5x(x – 2) + 3x – 6 = 0
b) x 3 – 9 x = 0
tìm x biết
a) x^2-5x-6=0
b) x^4 -x^2 = 0
tìm x biết
a) x^2-5x-6=0
b) x^4 -x^2=0
Tìm x, biết : a.,(x-y)^2-(x-3).(x+3)=6; b, x^2-5x=0;c,x^2+6x+5=0
Tìm x, biết: x2+5x+6=0
Tìm x , biết :
a) x^3 - 9x = 0
b) x^2 - 5x - 6 = 0
Tìm x, biết
a, x (x - 3) - 2x + 6 = 0
b, (3x - 5) (5x - 7) + (5x +1) (2 - 3x)
tìm x biết
a) x^2-5x-6=0
b) x^4 -x^2