\(\Leftrightarrow2x+6-3x+3=2\\ \Leftrightarrow x=7\)
\(\Leftrightarrow2x+6-3x+3=2\\ \Leftrightarrow x=7\)
1) (3x-2)/3-2=(4x+1)/4
2) (x-3)/4+(2x-1)/3=(2-x)/6
3) 1/2 (x+1)+1/4 (x+3)=3-1/3 (x+2)
4) (x+4)/5-x+4=x/3-(x-2)/2
5) (4-5x)/6=2(-x+1)/2
6) (-(x-3))/2-2=5(x+2)/4
7)2(2x+1)/5-(6+x)/3=(5-4x)/15
8) (7-3x)/2-(5+x)/5=1
9)(x-1)/2+3(x+1)/8=(11-5x)/3
10)(3+5x)/5-3=(9x-3)/4
Giải phương trình:
a) (x + 5)(x + 2) = 3(4x - 3) + (x - 5)2
b) 12 - 2(1 - x)2 = 4(x - 2) - (x - 3)(2x - 5)
c) (x - 3)3 - 2(x - 1) = x(x - 2)2 - 5x2
d) x(x + 3)2 - 3x = (x + 2)3 + 1
a (2x-1)^3+6(3x-1)^2=2(x+1)^3+6(x+2)^3
b (x-2)^2+(3-2x)^2-(4x-4)(x-5)=(x+3)^2
c x-3+2(x-3)-1/3=3-x/4
ai giúp mik đc câu nào cũng đc ạ
Bài 1: Giải phương trình sau:
a) \(\frac{1}{x-1}-\frac{7}{x-2}=\frac{1}{\left(x-1\right)\left(2-x\right)}\)
b) \(\frac{2x+3}{2x-3}-\frac{3}{4x-6}=\frac{2}{5}\)
c) \(\frac{x+1}{x-1}-\frac{4}{x+1}=\frac{3-x^2}{1-x^2}\)
d) \(\frac{x-1}{x+3}-\frac{x}{x-3}=\frac{7x-3}{9-x^2}\)
e) \(\frac{1}{x+1}+\frac{2}{x^3-x^2-x+1}=\frac{3}{1-x^2}\)
Bài 2: Giải phương trình:
(x2 - 3)2 + 2(x2 - 3) - 3 = 0
Giúp tớ với nhé các cậu :)))
Giải các phương trình
1, \(\dfrac{1}{x}-\dfrac{2}{x+1}=\dfrac{3}{x^2+x}\)
2, \(\dfrac{x+2}{x-2}-\dfrac{1}{x}=\dfrac{2}{x\left(x-2\right)}\)
3, \(\dfrac{x-2}{x+2}-\dfrac{3}{x-2}=\dfrac{2\left(x-11\right)}{x^2-4}\)
bài tập 1 : Rút Gọn
a, (4x - 3 ) ^2 - 2 ( x - 3 ) ( x + 3 ) - ( 2x + 1 ) ^ 2
b, ( x + 5 ) ^ 3 - ( 2x - 1 ) ^ 3 + 3 ( x - 2 ) ( x + 2)
c, ( 5x - 1 ) ^ 2 + ( x +3 ) ^ 2 - 2 ( 5x - 1 ) ( x + 3 )
GIÚP EM VS Ạ , CẦN GẤP Ạ 😢😢😢😢😢😢😢😢😢😢😢
Giải các phương trình
1,\(x\left(x-1\right)=2\left(x-1\right)\)
2, \(\left(x+2\right)\left(2x-3\right)=x^2-4\)
3, \(x^2+3x+2=0\)
4, \(5x^2+5x+3=0\)
5, \(x^3+x^2-12x=0\)
Giải các phương trình sau:
a) \(\frac{4}{x-1}-\frac{5}{x-2}=-3\)
b) \(3x-\frac{1}{x-2}=\frac{x-1}{2-x}\)
c) \(\frac{x+4}{x^2-3x+2}+\frac{x+1}{x^2-4x+3}=\frac{2x+5}{x^2-4x+3}\)
d) \(\frac{2}{x^2-4}-\frac{1}{x\left(x-2\right)}+\frac{x-4}{x\left(x+2\right)}=0\)
e) \(\frac{4x}{x^2+4x+3}-1=6\left(\frac{1}{x+3}-\frac{1}{2x-2}\right)\)
f) \(\frac{3}{4x\left(x-5\right)}+\frac{15}{50-2x^2}=\frac{7}{6x+30}\)
g) \(\frac{1}{x-1}+\frac{2x^2-5}{x^3-1}=\frac{4}{x^2+x+1}\)
Giải các phương trình sau:
a) \(\frac{4}{x-1}-\frac{5}{x-2}=-3\)
b) \(3x-\frac{1}{x-2}=\frac{x-1}{2-x}\)
c) \(\frac{x+4}{x^2-3x+2}+\frac{x+1}{x^2-4x+3}=\frac{2x+5}{x^2-4x+3}\)
d) \(\frac{2}{x^2-4}-\frac{1}{x\left(x-2\right)}+\frac{x-4}{x\left(x+2\right)}=0\)
e) \(\frac{4x}{x^2+4x+3}-1=6\left(\frac{1}{x+3}-\frac{1}{2x+2}\right)\)
f) \(\frac{3}{4\left(x-5\right)}+\frac{15}{50-2x^2}=\frac{7}{6x+30}\)
g) \(\frac{1}{x-1}+\frac{2x^2-5}{x^3-1}=\frac{4}{x^2+x+1}\)
giải phương trình
1)\(2\left(x-3\right)+1=2\left(x+1\right)-9\)
2)\(\dfrac{5-x}{2}=\dfrac{3x-4}{6}\)
3) \(\left(x-1\right)^2+\left(x+2\right)\left(x-2\right)=\left(2x+1\right)\left(x-3\right)\)
4)\(\left(x+5\right)\left(x-1\right)-\left(x+1\right)\left(x+2\right)=1\)
5) \(\dfrac{6x-1}{15}-\dfrac{x}{5}=\dfrac{2x}{3}\)
6)\(\dfrac{5\left(x-2\right)}{2}-\dfrac{x+5}{3}=1-\dfrac{4\left(x-3\right)}{5}\)