Giải phương trình sau:\(\frac{4}{x^2-3x+2}-\frac{3}{2x^2-6x+1}+1=0\) 0
Giải các pt sau:
a) (x-1)2-(x-1)(x+1)=3x-5
e) \(\frac{5\left(x-1\right)+2}{6}-\frac{7x-1}{4}=\frac{2\left(2x+1_{ }\right)}{7}-5\)
c) x3 -6x2+9x=0
giải pt:
a, 6x4-8x2+3=0
b,(x2-3x+3)(x2-2x+3)=2x2
c,(x2-5x+1)(x2-4)=6(x-1)2
d,x2+\(\frac{4x^2}{\left(x+2\right)^2}\)=12
e, \(\left(\frac{x-2}{x+1}\right)^2+\left(\frac{x+2}{x-1}\right)^2-11\left(\frac{x^2-4}{x^2-1}\right)=0\)
f, \(x^3+\frac{x^3}{\left(x-1\right)^3}+\frac{3x^2}{x-1}-2=0\)
g, \(\frac{x^2}{\left(x+2\right)^2}=3x^2-6x-3\)
Giải phương trình:
\(\frac{4}{x^2-3x+2}-\frac{3}{2x^2-6x+1}+1=0\)
Giải phương trình:
\(\frac{4}{x^2-3x+2}-\frac{3}{2x^2-6x+1}+1=0\)
Giải các phương trình.
a) \(\frac{2.\left(1-3x\right)}{5}-\frac{2+3x}{10}=7-\frac{3.\left(2x+1\right)}{4}\)b) \(\frac{3x+2}{2}-\frac{3x+1}{6}=2x+\frac{5}{3}\)
c) 3x-5=7
d) \(\frac{5}{x+3}=\frac{3}{x-1}\)
e) -2x+14=0
f) 2x.(x-3)+5.(x-3)=0
g) (x2-4)-(x-2).(3-2x)=0
h) 2x3+6x2=x2+3x
bài tập. Giải các pt
1, \(\frac{5}{x-2}+\frac{6}{3-4x}=0\)
2,\(\frac{x+1}{x-2}=\frac{1}{x^2-4}\)
3,\(\frac{x+2}{x}-\frac{x^2+5x+4}{x\left(x+2\right)}=\frac{x}{x+2}\)
4,\(\frac{1-6x}{x-2}+\frac{9x+4}{x+2}=\frac{x\left(3x-2\right)+1}{x^2-4}\)
5,\(\frac{3x+2}{3x-2}-\frac{6}{2+3x}=\frac{9x^2}{9x^2-4}\)
6,\(\frac{x+1}{x}+\frac{1}{x+1}=\frac{2x-1}{2x^2+2}\)
7,\(\frac{2}{x+1}-\frac{3x+1}{\left(x+1\right)}=\frac{1}{\left(x+1\right)\left(x-2\right)}\)
8,\(\frac{4}{x^2+2x-3}=\frac{2x-5}{x+3}-\frac{2x}{x-1}\)
9,\(\frac{3}{x^2+x-2}-\frac{1}{x-1}=\frac{-7}{x+2}\)
giải phương trình
\(\frac{4}{x^2-3x+2}-\frac{3}{2x^2-6x+1}+1=0\\ \)
\(\frac{1}{x-1}+\frac{2}{x-2}+\frac{3}{x-3}=\frac{6}{x-6}\)
Giải các phương trình sau:
\(\frac{3}{4x-20}-\frac{15}{2x^2-50}+\frac{7}{6x+30}=0\)
\(\frac{8x^2}{3-12x^2}+\frac{1+8x}{4+8x}=\frac{-2x}{3-6x}\)
\(\frac{1}{x^2-2x+1}+\frac{1}{x^2+2x=1}=\frac{2}{x^2-1}\)
\(\frac{1}{x^2+1}+\frac{1}{x^2+3x+2}+\frac{1}{x^2+5x+6}+\frac{1}{x^2+7x+12}=\frac{4}{5}\)
