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1/\(\frac{4x-4}{2x\left(x+3\right)}\) , \(\frac{x-3}{3x\left(x+1\right)}\)

2/\(\frac{3+2x}{10x^4y}\) , \(\frac{7}{12xy^2}\) , \(\frac{11}{18xy}\)

Quy đồng phân thức

1/\(\frac{4x^2-3x+5}{x^3-1}\) , \(\frac{1-2x}{x^2+x+1}\) , \(\frac{-2}{1}\)

2/\(\frac{1}{x+2}\) , \(\frac{8}{2x-x^2}\)

3/\(\frac{2x}{x^2-8x+16}\) , \(\frac{x}{3x^2-12x}\)

4/\(\frac{7x-1}{2x^2+6x}\) , \(\frac{5-3x}{x^2-9}\)

Quy đồng phân thức