\(5-\frac{1}{2}x^2-\frac{17}{8}x-16=x-\frac{1}{2}x^2+x-\frac{7}{8}x\)
\(-11-\frac{1}{2}x^2-\frac{17}{8}x-x+\frac{1}{2}x^2-\frac{1}{8}x=0\)
\(-11-\frac{13}{4}x=0\)
\(\frac{13}{4}x=-11\)
\(x=\frac{-44}{13}\)
Vậy..........
hc tốt
giải phương trình: x-1/2x^2-4x - 7/8x = 5-x/4x^2-8x - 1/8x-16
\(\dfrac{7}{8x}+\dfrac{5-x}{4x^2-8x}=\dfrac{x-1}{2x\left(x-2\right)}+\dfrac{1}{8x-16}\)
a) \(\frac{7}{8x}+\frac{5-x}{4x^2-8x}=\frac{x-1}{2x^2-4x}+\frac{1}{8x-16}\)
b) 3x.|x+1|−2x|x+2|=12
Tìm x biết
1,(2x+5)(2x-7)-(-4x-3)^2=16
2,(8x-3)(3x+2)-(4x+7)(x+4)=(2x+1)-(5x-1)
Giải các phương trình:
\(a,\frac{2x+1}{x^2-5x+4}+\frac{5}{x-1}=\frac{2}{x-4}\)
\(b,\frac{7}{8x}-\frac{x-5}{4x^2-8x}=\frac{x-1}{2x\left(x-2\right)}+\frac{1}{8x-16}\)
Giai pt sau
a) \(\frac{1}{x-1}-\frac{3x^2}{x^3-1}=\frac{2x}{x^2+x+1}\)
b) \(\frac{7}{8x}+\frac{5-x}{4x^2-8x}=\frac{x-1}{2x\left(x-2\right)}+\frac{1}{8x-16}\)
Giải phương trình
a) \(\dfrac{3}{5x-1}\)+ \(\dfrac{2}{3-5x}\)=\(\dfrac{4}{\left(1-5x\right)\left(x-3\right)}\)
b) \(\dfrac{5-x}{4x^2-8x}\)+\(\dfrac{7}{8x}\)=\(\dfrac{x-1}{2x\left(x-2\right)}\)+\(\dfrac{1}{8x-16}\)
a ) \(\frac{x+5}{x^2-5x}\)- \(\frac{x-5}{2x^2+10x}\)= \(\frac{x+25}{2x^2-50}\)
b ) \(\frac{1}{x-1}-\frac{3x^2}{x^3-1}=\frac{2x}{x^2+x+1}\)
c ) \(\frac{7}{8x}+\frac{5-x}{4x^2-8x}-\frac{x-1}{2x\left(x-2\right)}+\frac{1}{8x-16}\)
Giải phương trình:
a) 1/ x-1- 3x2/ x3 -1 = 2x/ x2+x+1
b) 7/8x + 5-x/4x2-8x = x-1/2x(x-2) +1/8x-16
c) x+5/x2-5x - x-5/2x2+10 = x+25/2x2-50
Giúp mình với😖😖 cảm ơn các bạn rất nhiều
