giải phương trình sau

2, (x+3)(x+5)+(x+3)(3x-4)=0

3, (x+6)(3x-1)+x+6=0

4, (x+4)(5x+9)-x-4=0

5, (1-x)(5x+3)=(3x-7)(x-1)

6, 2x(2x-3)=(3-2x)(2-5x)

giải các phươngtrifnhsau

a, \(\frac{x-23}{24}+\frac{x-23}{25}=\frac{x-23}{26}+\frac{x-23}{27}\)

b,(\(\frac{x+2}{98}+1\))+(\(\frac{x+3}{97}+1\))=(\(\frac{x+4}{96}+1\))+(\(\frac{x+5}{95}+1\))

c, \(\frac{x+1}{2004}+\frac{x+2}{2003}=\frac{x+3}{2002}+\frac{x+4}{2001}\)

d, \(\frac{201-x}{99}+\frac{203-x}{97}+\frac{205-x}{95}+3=0\)

giải phương trình

\(\frac{\left(x-2\right)^2}{3}-\frac{\left(2x-3\right).\left(x+3\right)}{8}+\frac{\left(x-4\right)^2}{6}=0\)