N
ntt09


[TEX] l) (x^2+x+1)(x^2+x+12) = 12 [/TEX]
[TEX] m) (\frac{x^2-1}{3x+2})^2 - \frac{5x^2-5}{3x+2} = 6[/TEX]
[TEX] n) x^2 – 3x +\sqrt{x^2 – 3x +1} = 1 [/TEX]
[TEX] m) (\frac{x^2-1}{3x+2})^2 - \frac{5x^2-5}{3x+2} = 6[/TEX]
[TEX] n) x^2 – 3x +\sqrt{x^2 – 3x +1} = 1 [/TEX]