\frac{9}{25}x^2+\frac{2}{15}x+\frac{1}{81} | \frac{49}{100}x^2+\frac{42}{25}x+\frac{36}{25} | \frac{1}{100}x^2+\frac{4}{15}x+\frac{16}{9} | \frac{9}{16}x^2-\frac{9}{121} | 10x^2+4\sqrt{10}x+4 |
\frac{4}{25}x^2-\frac{81}{4} | 4x^2+32x+64 | 25x^2+30x+9 | \frac{49}{100}x^2+\frac{49}{55}x+\frac{49}{121} | \frac{4}{25}x^2+\frac{28}{55}x+\frac{49}{121} |