25x^2+10x+1

100x^2-180x+81

\frac{49}{25}x^2+\frac{21}{5}x+\frac{9}{4}

4x^2-4

7x^2+4\sqrt{7}x+4

16x^2+32x+16

6x^2-30x

8x^2+3x+5

30x^2-11x+1

11x^2+12\sqrt{11}x+36

81x^2-100

\frac{49}{100}x^2-\frac{81}{25}

100x^2-81

2x^2+8\sqrt{2}x+16

9x^2+2x+6

25x^2+60x+36

\frac{1}{100}x^2-\frac{1}{15}x+\frac{1}{9}

\frac{1}{100}x^2-\frac{9}{121}

x^2+10x+25

9x^2+48x+64

6x^2-66x+144

2x^2+14x+20

\frac{1}{81}x^2-\frac{1}{25}

\frac{49}{81}x^2-\frac{7}{18}x+\frac{1}{16}

45x^2-14x+1