\(x\left(3x-2\right)+2\left(3x-2\right)=0\\ \left(x+2\right)\left(3x-2\right)=0\\ \left[{}\begin{matrix}x+2=0\\3x-2=0\end{matrix}\right.=>\left[{}\begin{matrix}x=-2\\x=\dfrac{2}{3}\end{matrix}\right.\)
tìm x biết
a/x^3+3x^2+3x+2=0
b/x^4-2x^3+2x-1=0
c/x^4-3x^3-6x^2+8x=0
Tìm x biết: (x+2)^3-x^2(x-6)-4=0 6x^2-(2x-3)(3x+2)=1
Tìm x, biết :
a. 3x(x-2)-x+2=0
b. 4x(x-3)-2x+6=0
c. 2x(x-4)+x-4=0
d. 2x³+4x=0
e. 3x³-6x=0
Tìm x biết 2x^3 + 3x^2 +6x +4 =0
tìm x biết
a/ (x - 4)(x + 4)- x(x + 2)=0
b/ 3x(x - 2)- x + 2 = 0
c/ 6x - 12x2 = 0
d/ 4x(3 - x)+(x - 2)(x + 2)= 0
Tìm x, biết:
a) ( x + 3 ) 2 + (4 - x)(x + 4) = 1;
b) (2 - x) 3 +(3 +x)(9 - 3x + x 2 ) + 6x(1 - x) = 17;
c) x 4 - 2 x 2 +1 = 0.
TÌM X BIẾT \(\frac{X-1}{X^2-9X+20}+\frac{2X-2}{X^2-6X+8}+\frac{3X-3}{X^2-X-2}+\frac{4X-4}{X^2+6X+5}=0\)
Tìm x, biết:
a) ( x 2 - 4x + 16)(x + 4) - x(x + l)(x + 2) + 3 x 2 = 0;
b) (8x + 2)(1 - 3x) + (6x - l)(4x -10) = -50.
tìm x biết
a, (x^2-4x+16)(x+4)-x(x+1)(x+2)+3x^2=0
b, (8x+2)(1-3x)+(6x-1)(4x-10)=-50
tìm x biết
1, -3x2 + 5x = 0
2, x2 +3x - 2x-6 = 0
3, x2 + 6x - x -6 = 0
4, x2 + 2x - 3x - 6 = 0
5, x2 - 6x - 4x +24 =0
6, x2 - 8x +3x -24 = 0
7, x2 -5x - 24 = 0
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