Bài Tập: Giải phương trình :
a) (x + 5)(2x - 3) = 0
b) \(\left(x^2-9\right)\left(4-x\right)=0\)
c) \(\left(2x+3\right)\left(4-5x\right)=0\)
d) \(2\left(x+3\right)\left(x-4\right)=0\)
e) \(\left(x^2-9\right)\left(4-x\right)=0\)
f) \(\left(2x+3\right)\left(x^2-16\right)=0\)
Giải phương trình
a. \(\frac{1}{27}\cdot\left(x-3\right)^3-\frac{1}{125}\cdot\left(x-5\right)^3=0\)
b.\(125x^3-\left(2x+1\right)^3-\left(3x-1\right)^3=0\)
c.\(\left(x-3\right)^3+\left(x+1\right)^3=8\cdot\left(x-1\right)^3\)
d.\(\left(x^2-3x+2\right)\cdot\left(x^2+15x+56\right)+8=0\)
e.\(\left(2x^2-3x+1\right)\cdot\left(2x^2+5x+1\right)-9x^2=0\)
f.\(\left(x+6\right)^4+\left(x+8\right)^4=272\)
Giải các phương trình sau:
1, \(\dfrac{x-1}{3}-x=\dfrac{2x-4}{4}\)
2, \(\left(x-2\right)\left(2x-1\right)=x^2-2x\)
3, \(3x^2-4x+1=0\)
4, \(\left|2x-4\right|=0\)
5, \(\left|3x+2\right|=4\)
6, \(\left|2x-5\right|=\left|-x+2\right|\)
*Giúp mình với mình đg cần gấp ạ T_T
Tìm \(x\):
\(8\)) \(1-\left(x-6\right)=4\left(2-2x\right)\)
\(9\))\(\left(3x-2\right)\left(x+5\right)=0\)
\(10\))\(\left(x+3\right)\left(x^2+2\right)=0\)
\(11\))\(\left(5x-1\right)\left(x^2-9\right)=0\)
\(12\))\(x\left(x-3\right)+3\left(x-3\right)=0\)
\(13\))\(x\left(x-5\right)-4x+20=0\)
\(14\))\(x^2+4x-5=0\)
giải các phương trình sau:
a)\(3\left(x^2+x\right)^2-7\left(x^2+x\right)+4=0\)0
b)\(x\left(x+1\right)\left(x^2+x+1\right)=42\)
c)\(4\left(2x+7\right)^2-9\left(x+3\right)^2=0\)
d)\(\left(5x^2-2x+10\right)^2=\left(3x^2+10x-8\right)^2\)
Giải phương trình:
a) \(x^2-3\left|x\right|-4=0\)
b) \(\left(x-2\right)^2+\left|x-5\right|-x^2-14=0\)
c) \(\left(x+1\right)^2-\left|3-2x\right|-\left(x+2\right)^2+6=0\)
d) \(x^2+4x+3+\left|2x-5\right|-\left(x+1\right)\left(x+3\right)-5+2x=0\)
Giải các phương trình
a. \(\frac{1-x}{x+1}+3=\frac{2x+3}{x+1}\)
b. \(\frac{\left(x+2\right)^2}{2x-3}-1=\frac{x^2+10}{2x-3}\)
c. \(\left(2-3x\right)\left(x+11\right)=\left(3x-2\right)\left(2-5x\right)\)
d.\(\left(2x^2+1\right)\left(4x-3\right)=\left(2x^2+1\right)\left(x-12\right)\)
Giải phương trình sau:
\(\left(x+5\right)\left(x-1\right)=2x\left(x-1\right)\)
\(5\left(x+3\right)\left(x-2\right)-3\left(x+5\right)\left(x+2\right)=0\)
\(2x^3+5x^2-3x=0\)
\(\left(x-1\right)^2+2\left(x-1\right)\left(x+2\right)+\left(x+2\right)^2=0\)
Giải các phương trình sau :
\(a,\left(4x-3\right)\left(2x-1\right)=\left(x-3\right)\left(4x-3\right)\)
\(b,25x^2-9=\left(5x+3\right)\left(2x+1\right)\)
\(c,\left(3x-4\right)^2-4\left(x+1\right)^2=0\)