2x - 3 = 0
\(\Leftrightarrow\) 2x = 3
\(\Leftrightarrow\) x = \(\dfrac{3}{2}\)
S = \(\left\{\dfrac{3}{2}\right\}\)
\(2x-3=0\\ \Leftrightarrow2x=3\\ \Leftrightarrow x=\dfrac{3}{2}\\ S=\left\{\dfrac{3}{2}\right\}\)
2x - 3 = 0
\(\Leftrightarrow\) 2x = 3
\(\Leftrightarrow\) x = \(\dfrac{3}{2}\)
S = \(\left\{\dfrac{3}{2}\right\}\)
\(2x-3=0\\ \Leftrightarrow2x=3\\ \Leftrightarrow x=\dfrac{3}{2}\\ S=\left\{\dfrac{3}{2}\right\}\)
Tìm x, biết
a) x(2x-7)-4x+14=0
b) (2x+5)(3x-1)-(2x+5)=0
c) \(\left(2x-3\right)^2-6x+9=0\)
gpt \(3x^4+2x^3-10x^2+2x+3=0\)
tìm x,
a, \(2(x-3)-5\times(2x-4)=0\)
b,\(3+\frac{1}{x-8}=0\)
c,\(\frac{8}{3}-\frac{2x+3}{5}=-\frac{-7}{3}\)
d,\(\frac{1}{9}=\frac{5}{3x-5}=0\)
x2 -4x+3>0
x3 -2x2 +3x-2>=0
Tìm x;y thuộc Z thỏa mãn:
a, \(x^3+2x^2+3x+2=y^3\)
b, \(2x^4+3x^3-3x^2+3x+2=0\)
Giúp mk vs mk đg cần gấp!
Tìm x:
a,(x+2).(x+3)-(x-2).(x+5)=6
b,3.(2x-1).(3x-1)-(2x-3).(9x-1)=0
c,5x-3{4x-2[4x-3.(5x-2)]}=182
16 Tìm x, biết
a) 4(x+2)-7(2x-1)+9(3x-4)=30 ; b) 2(5x-8)-3(4x-5)=4(3x-4)+11
c) 5x(1-2x)-10(x+8)=0 ; d) (5x-3).4x-2x.(10x-3)=15
Tìm x biết
a)\(x\left(x-1\right)-x^2+2x=5\)
b)\(2x^3\left(2x-3\right)-x^2\left(4x^2-6x+2\right)=0\)
giải phương trình
2x3 - 8x =0