(x-2)(x+2)+3x^2=4x^2+4x+1+2x
x^2-4+3x^2-4x^2-4x-1-2x=0
-6x=5
x=-5/6
oke nhé
(x-2)(x+2)+3x^2=4x^2+4x+1+2x
x^2-4+3x^2-4x^2-4x-1-2x=0
-6x=5
x=-5/6
oke nhé
2x(x-1)+(x+1)^2=1+3x^2 ( giải pt)
Giải pt:
2/x-1= 1+ 2x/ x+2
giải pt
a , (x2-4x)2+(x-2)2=10
b (2x+1)(x+1)2(2x+3)-18=0
c (2x+1)2(4x+1)(4x+3)-18=0
giải pt: (x+1)^3+(x-2)^3=(2x-1)^3
Giải PT, a 4x+2=3x+1 ,b 6+2x=18-x C x2-6/x = x+3/2
1.giải các pt sau
a)3x-7/2+x-1/3=-16
b)x-x-1/3=2x+1/5
c)2x-1/3-5x+2/7=x+13
d)2x-3/3-x-3/6=4x+3/5-17
1. giải pt :
a) \(\dfrac{1}{x-3}+2=\dfrac{5}{x-1}+x\)
b)\(\dfrac{2}{x^2+4x-21}=\dfrac{3}{x-3}\)
c) \(\dfrac{1}{x^2+2x+3}+4=\dfrac{1}{x^2+1}\)
d) \(\dfrac{2x+1}{2x-1}-\dfrac{2x-1}{2x+1}=\dfrac{8}{4x^2-1}\)
e) \(\dfrac{3x-1}{x-1}-\dfrac{2x+5}{x+3}+\dfrac{4}{x^2+2x-3}=1\)
x\(^2\)-2x+1=3x(x-1)
giải pt
Giải PT : 9(x-1)2 - 4(2x+1)2 = 0