giải phương trình
\(-6\left(-x^2-x+1\right)^4+x^2\left(-x^2-x+1\right)^2+5x^4=0\)
b) \(x^4+9=5x\left(x^2-3\right)\)
c) \(x^4+\left(x+1\right)\left(5x^2-6x-6\right)=0\)
d)\(\left(x^2+1\right)^2+\left(x+1\right)\left(3x^2+2x-2\right)=0\)
e) \(x^2\left(x-1\right)^2+x\left(x^2-1\right)=2\left(x+1\right)^2\)
Giải các phương trình sau :
a) \(\left(x-1\right)\left(5x+3\right)=\left(3x-8\right)\left(x-1\right)\)
b) \(3x\left(25x+15\right)-35\left(5x+3\right)=0\)
c) \(\left(2-3x\right)\left(x+11\right)=\left(3x-2\right)\left(2-5x\right)\)
d) \(\left(2x^2+1\right)\left(4x-3\right)=\left(2x^2+1\right)\left(x-12\right)\)
e) \(\left(2x-1\right)^2+\left(2-x\right)\left(2x-1\right)=0\)
f) \(\left(x+2\right)\left(3-4x\right)=x^2+4x+4\)
giải pt
1.(x^2-x+1)(X^2-x+2)=2
2.X(x+2)(x+3)(x+5)=280
3.(x+3)(x+4)(X+5)=x
4.\(\dfrac{1}{x\left(x+2\right)}+\dfrac{1}{\left(x+2\right)\left(x+4\right)}+\dfrac{1}{\left(x+4\right)\left(x+6\right)}=\dfrac{1}{9}\) 5. 12/x^2-12/x^2+2=1 6.(x^2-6x)^2+14(x-3)^2=81 7.(x^2+5x)^2-2(x^2+5x)-24=0
8. x^2+2x+3=(x^2+x+1)(X^4+x^2+4)
bài 1 : cac phương trinh sau
a,\(\left(2x-4\right)\left(\dfrac{7x+2}{5}+\dfrac{2\left(1-3x\right)}{3}\right)\)
b, \(\left(2x-1\right)^2+2\left(2-x\right)\left(2x-1\right)=0\)
c, \(x^3+1=x\left(x+1\right)\)
d, \(x^3-\dfrac{1}{4}x\)
e, \(4x^2-1=0\)
g, (\(2x-1)^2-\left(x+3\right)^3\)
h, \(x\left(x^2-5\right)^2-4x=0\)
i, \(x^2-4+\left(x-2\right)^2\)
k, (x-1)(5x+3)=(3x-8)(x-1)
l, \(x^3+x^2+x+1=0\)
Các bạn ơi ! giúp mik với đi
Giải phương trình:
a) \(x^2-\left(x+3\right)\left(3x+1\right)=9\).
b) \(x^3+4x+5=0\).
c) \(\left(x+14\right)^3-\left(x+12\right)^3=1352\).
d) \(x^3+\left(x-3\right)^3=\left(2x-3\right)^3\).
e) \(x\left(x+1\right)\left(x+2\right)\left(x+3\right)=360\).
f) \(x^3+\left(x-2\right)\left(2x+1\right)=8\).
1. giải phương trình tích:
a) \(\left(x+3\right)\left(x^2+2021\right)=0\)
\(\)2. giải các phương trình sau bằng cách đưa về phương trình tích:
b) \(x\left(x-3\right)+3\left(x-3\right)=0\)
c) \(\left(x^2-9\right)+\left(x+3\right)\left(3-2x\right)=0\)
d) \(3x^2+3x=0\)
e) \(x^2-4x+4=4\)
Giái phương trình:
a, \(\left(x^2+x+1\right)\left(6-2x\right)=0\)
b,\(\left(x-1\right)^2-1+x^2=\left(1-x\right)\left(x+3\right)\)
c,\(\left(x^2-1\right)\left(x+2\right)\left(x-3\right)=\left(x-1\right)\left(x^2-4\right)\left(x+5\right)\)
Giải các phương trình sau:
a) \(\left(x^2-4\right)\left(2x+3\right)=\left(x^2-4\right)\left(x-1\right)\)
b) \(\left(3x-7\right)^2-4\left(x+1\right)^2=0\)
Giải các phương trình sau :
a, \(\left(x-1\right)\left(x^2+5x-2\right)-x^3+1=0\)
b, \(x^2+\left(x+2\right)\left(11x-7\right)=4\)
c, \(x^3-x\left(x+1\right)+1=0\)
d,\(4x^2-12x+5=0\)
Giải phương trình sau:
(x+5)(x−1)=2x(x−1)
5(x+3)(x−2)−3(x+5)(x+2)=0
\(2x^3+5x^2-3x=0\)
\(\left(x-1\right)^2+2\left(x-1\right)\left(x+2\right)+\left(x+2\right)^2=0\)