Giải các phương trình sau:
a) \(\left(x^2-x+1\right)^4+4x^2\left(x^2-x+1\right)^2=5x^4\)
b) \(2x^4-5x^3-9x^2+11x+4=0\)
c) \(8x^3+4x^2+2x-3=0\)
d) \(\frac{10x^4}{\left(1+x^2\right)^2}-\frac{3x^2}{1+x^2}-1=0\)
e) \(3x^4+4x^3-27x^2+8x+12=0\)
giải pt ( giúp vs, cảm ơn)
a,2x4-7x3-11x2+19x-6=0
b,(6x+7)2.(3x+4).(x+1)=6
c,\(\sqrt{5-x}+2\sqrt{3x-8}=x+1\)
giải pt
a, 2x^3++3x^2-8x-12=0
b, x^3-4x^2-x+4=0
c,x^3-x^2-x-2=0
d,x^4-3x^3+3x^2-x=0
e,(x+1)(x^2-2x+3)=x^3+1
g,x^3+3x^2+3x+1=4x+4
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 phương trình:
1\(\sqrt{4-3\sqrt{10-3x}}\) \(=\left(x+3\right)\sqrt{x^2+1}\)
2\(2x^2-11x+21-3\sqrt[3]{4x-4}=0\)
rút gọn
B\(\left(\frac{x}{x^2-x-6}-\frac{x-1}{3x^2-4x-15}\right):\frac{x^4-2x^2+1}{3x^2+11x+10}.\left(x^2-2x+1\right)\)
Cho x thỏa mãn \(x^4-6x^2+11x^2-6x+1=0\)
Tính \(A=\frac{2x^2-6x+1}{3x^2-9x-1}\)
giải pt
a 2(x+3)(x-4)=(2x-1)(x+2)-27
b (3x+2)(x-1)-3(x+1)(x-2)=4
c (x+2)(x^2 -2x+4)-x(x-3)(x+3)=26
d (3x+2)(3x-2)-(3x-4)^2=28
e 5(x+3)^2-5(x-4)(x+8)=3x
f 2x(x+2)^2-8x^2=2(x-2)(x^2+2x+4)
g (2x-1)(4x^2+2x+1)-4x(2x^2-3)=23
h x(x-2)(x+2)-(x-3)(x^2+3x+9)+1=0
i x(x^2+x+1)-(x-1)(x+1)x=x^2+2
Giải hộ mình vs
X^4-2x^3+x+1/4=0
(X+1)(x+2)(x+3)(x+4)-24=0
(4x+1)(12x-1)(3x+2)(x+1)-4=0