Giải pT
1) x^3-5x^2+3x+1=0
2) x^4-3x^3+4x^2-3x+1=0
3) 3x^3+2x^2-4x-1=0
4) x^4+x^3-13x^2-x+10=0
5) x^4-2x^3-13x^2+14x+24=0
6) 3x^3+x^2-5x-3=0
giải pt
a 3x(x-1)+2(x-1)=0
b x^2-1-(x+5)(2-x)=0
c 2x^3 +4x^2-x^2+2=0
d x(2x-3)-4x+6=0
e x^3-1=x(x-1)
f (2x-5)^2 -x^2-4x-4=0
h (x-2)(x^2+3x-2)-x^3+8=0
Giải các phương trình sau
a)\(x^3+8x=5x^2+4\)
b) \(x^3+3x^2=x+6 \)
c)\(2x+3\sqrt{x}=1\)
4) \(x^4+4x^2+1=3x^3+3x\)
5)\((12x-1)(6x-1)(4x-1)(3x-1)=330\)
giải phương trình sau:
a) \(4x^2+\left(8x-4\right).\sqrt{x}-1=3x+2\sqrt{2x^2+5x-3}\)
b) \(8x^3-36x^2+\left(1-3x\right)\sqrt{3x-2}-3\sqrt{3x-2}+63x-32=0\)
c) \(2\sqrt[3]{3x-2}-3\sqrt{6-5x}+16=0\)
d) \(\sqrt[3]{x+6}-2\sqrt{x-1}=4-x^2\)
Giúp e giải pt:
2x-3+\(\frac{3x-1}{\sqrt{3-2x^2}+2-x}=0\)
\(^{x^2+4x+1=\left(x+4\right)\sqrt{x^2+1}}\)
\(2\left(x-2\right)\sqrt{x-1}=3x^2+5x-4-4x\sqrt{2x-1}\)
giải pt
a 4(x+3)^2=(2x+6)^2
b (3x+4)^2=4(x+3)
c (6x+3)^2=(x-4)^2
d (x^2+3x+2)(x^2+3x+3)-2=0
e(x^2-5x)+10(x^2-5x)+24=0
f(x^2+x+1)(x^2+x+2)=12
gx(x+1)(x-1)(x+2)=24
h(x+1)(x+2)(x+3)(x+4)-24=0
lm giúp mik nha các bn
(1) giải pt quy về \(ax^2+bx+c=0\)
1) \(x^2=3x\) 2) \(x^2-3x=4\)
3) \(x^4-5x^2+6=0\) 4) \(x^3=9x\)
5) \(\left(x+2\right)\left(x-3\right)=x^2-4\) 6) \(\dfrac{x+11}{x^2-1}-\dfrac{x-1}{x+1}=\dfrac{2\left(x+7\right)}{x+1}\)
giúp mk vs mk cần gấp
giai pt
a,(x-2)4+(x-2)(5x2-14x+13)+1=0
b,(x2-x)2-2x(3x-5)-3=0
c,x4+4x3+4x+1=0
d,x4+x3+x+1=0
Giải các phương trình:
a) \(6x^4+5x^3-38x^2+5x+6=0\)
b) \(x^5+2x^4-3x^3-3x^2+2x+1=0\)
c) \(6x^5-29x^4+27x^3-29x+6=0\)
d) \(x^5+4x^4+3x^2-4x+1=0\)
e) \(x^4-3x^3-2x^2+6x+4=0\)
(Làm 1 câu cũng được)