giải các pt sau
a)5X(X-2020)+X=2020
b)4(X-5)2-(2X+1)2=0
c)\(\frac{3X}{5}-\frac{2X+1}{3}=2-\frac{X-3}{15}\)
d)5X3+10X2+5X=0
e)2X3-8X=0
f)\(\frac{X^2+5}{25-X^2}=\frac{3}{X+5}+\frac{X}{X-5}\)
g)\(\frac{4}{2X-3}-\frac{4X}{9-4X^2}=\frac{1}{2X+3}\)
h)|2X-4|-15=1
i)20-3|2X+1|=17
k)|4X+2|-1,5=1
GIẢI GIÚP MÌNH NHANH VỚI NHA
1 . \(\frac{x-1}{12}-\frac{2x-12}{14}=\frac{3x-14}{25}-\frac{4x-25}{27}\)
2 . \(\frac{3}{x-1}+\frac{4}{x-2}=\frac{5}{x-3}+\frac{6}{x-4}\)
3 . \(\frac{2x-1}{2}+\frac{2x+1}{3}=\frac{2x+7}{6}+\frac{2x+9}{7}\)
4 . \(\frac{x^2+x+4}{2}+\frac{x^2+x+7}{3}=\frac{x^2+x+13}{5}+\frac{x^2+x+16}{6}\)
1 . \(\frac{x-1}{12}-\frac{2x-12}{14}=\frac{3x-14}{25}-\frac{3x-12}{27}\)
2 . \(\frac{2x-1}{2}+\frac{2x+1}{3}=\frac{2x+7}{6}+\frac{2x+9}{7}\)
3 . \(\frac{x^2+x+4}{2}+\frac{x^2+x+7}{3}=\frac{x^2+x+13}{5}+\frac{x^2+x+16}{6}\)
4 . \(\frac{201-x}{99}+\frac{203-x}{97}+\frac{205-x}{95}+3=0\)
Giải các phương trình sau :
a. 3x - 2 (5 + 2x) = 45 - 2x
b. \(\frac{x-3}{5}=6-\frac{1-2x}{3}\)
c.\(\frac{5\left(x-1\right)+2}{6}-\frac{7x-1}{4}=\frac{2\left(2x+1\right)}{7}-5\)
d. (x - 1) (5x + 3) = (3x - 8) (x - 1)
e. (x - 1) (x2 + 5x - 2) - (x3 - 1) = 0
f.\(\frac{x-17}{33}+\frac{x-21}{29}+\frac{x}{25}=4\)
g. \(\frac{x+1}{65}+\frac{x+3}{63}=\frac{x+1}{61}+\frac{x+7}{59}\)
h.\(\frac{x+5}{2015}+\frac{x+4}{2014}+\frac{x+4}{1002}+\frac{x+6}{1003}=6\)
k.\(\frac{148-x}{25}+\frac{169-x}{23}+\frac{186-x}{21}+\frac{199-x}{19}=10\)
Giải các phương trình sau :
a. 3x - 2 (5 + 2x) = 45 - 2x
b. \(\frac{x-3}{5}=6-\frac{1-2x}{3}\)
c.\(\frac{5\left(x-1\right)+2}{6}-\frac{7x-1}{4}=\frac{2\left(2x+1\right)}{7}-5\)
d. (x - 1) (5x + 3) = (3x - 8) (x - 1)
e. (x - 1) (x2 + 5x - 2) - (x3 - 1) = 0
f.\(\frac{x-17}{33}+\frac{x-21}{29}+\frac{x}{25}=4\)
g. \(\frac{x+1}{65}+\frac{x+3}{63}=\frac{x+1}{61}+\frac{x+7}{59}\)
h.\(\frac{x+5}{2015}+\frac{x+4}{2014}+\frac{x+4}{1002}+\frac{x+6}{1003}=6\)
k.\(\frac{148-x}{25}+\frac{169-x}{23}+\frac{186-x}{21}+\frac{199-x}{19}=10\)
giúp mik vs mai mik kiểm tra rùi
a) $\frac{x-1}{x}$ - $\frac{1}{x+1}$ = $\frac{2x-1}{x2+x}$
b) (x+2).(5-3x)=0
c)$\frac{5(1-2x)}{3}$ + $\frac{x}{2}$ = $\frac{3(x-5)}{4}$ - 2
d)$(x+2)^{2}$ - (x-1).(x+3) = (2x-4).(x+4)-3
e)$(2x-3)^{2}$ = (2x-3).(x+1)
Giải các phương trình:
\(a,\frac{x+5}{x^2-5x}-\frac{x-5}{2x^2+10x}=\frac{x+25}{2x^2-50}\)
\(b,\frac{2}{4-x^2}+\frac{1}{x^2-2x}=\frac{x-4}{x^2+2x}\)
a.2(x-3)=4-2x
b.3x(x-2)=3(x-2)
c.(2x-1)^2=25
d.\(\frac{x+1}{2x-2}-\frac{x-1}{2x+2}+\frac{2}{1-x^2}=0\)