Các câu hỏi tương tự
Giai phuong trinh sau: \(\frac{x^2+2x+2}{x+1}+\frac{x^2+8x+20}{x+4}=\frac{x^2+4x+6}{x+2}+\frac{x^2+6x+12}{x+3}\)
giai phuong trinh
a) \(\frac{3}{2x-16}+\frac{3x-20}{x-8}+\frac{1}{8}=\frac{3x-102}{3x-24}\)
b) \(\frac{1}{3-x}+\frac{14}{x^2-9}=\frac{x-4}{3+x}+\frac{7}{3+x}\)
giai phuong trinh
c) \(\frac{4x}{x^2+4x+3}-1=6\left(\frac{1}{x+3}-\frac{1}{2x+2}\right)\)
d) \(\frac{3}{2x+1}=\frac{6}{2x+3}+\frac{8}{4x^2+8x+3}\)
gia tri cua x>0 thoa man phuong trinh \(1+\frac{1}{x+2}=\frac{12}{x^3+8}\)
\(\frac{x}{2x-6}+\frac{x}{2x+2}=\frac{2x^2}{x^2+2x-3}\) giai phuong trinh lop 8
Giai phuong trinh :\(\frac{x-3}{11}+\frac{x+1}{3}=\frac{x+7}{9}-1\)
giai phuong trinh
\(\frac{x-3}{x-2}-\frac{x-2}{x-4}=3\frac{1}{5}\)
giai phuong trinh
\(\frac{1}{x-1}-\)\(\frac{1}{x-2}-\frac{1}{x-3}+\frac{1}{x-4}=0\)
cho phuong trinh an x: \(\frac{x+a}{x+2}+\frac{x-2}{x-a}=2\)
a) giai phuong trinh vs a=4
b)Tim cac gtri cua a sao cho phuong trinh nhan x=-1 lam nghiem