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$$\frac{1}{6}$$

6

$$\frac{1}{7}$$

7

$$-3c^6b^2$$

$$3ic^6b^2$$

$$3c^6b^2$$

$$-3ic^6b^2$$

(4,0),(-2,-3),(-1,4)

(0,-4),(3,2),(-4,1)

(-4,0),(2,3),(1,-4)

(0,4),(-3,-2),(4,1)

4x^2-3x+8

4x^2-x-2

4x^2-x+8

4x^2-3x-2

5 real roots

3 real repeated roots and 2 imaginary roots

2 real repeated roots and 2 imaginary roots

2 real repeated roots and 3 imaginary roots

4

7

10

13

$$\left(10n^4\right)^2+\left(10n^4\right)-6$$

$$\left(5n^4\right)^2+\left(5n^4\right)-6$$

$$5\left(n^4\right)^2+n^4-6$$

$$5\left(5n^4\right)^2+5\left(5n^4\right)-6$$

X=-3, X=1

X=-1

X=0, X=1, X=3

X=0

6

9

10

8