(1,0)

(2,0),(-3,0)

(4,0)

3(x² + 6x + 5)

(x + 5)(x + 1)

3(x + 5)(x + 1)

x = -2

x = -15

x = -3

x = 5

x = 3

x = -5

x = 1

x = -16

x = -2

x = -15

x = -3

x = 5

x = 3

x = -5

x = 1

x = -16

x=6 , x=2

x=6 , x= -2

x=3 , x=4

x=-3 , x=4

x=6 , x=2

x=6 , x= -2

x=3 , x=4

x=-3 , x=4

 $\pm\ 5$  

5

 $-\ 5$  

 $10\sqrt{5}$  

 $5\sqrt{10}$  

50

125

 $9x^{20}\sqrt{2x}$  

 $9x^{10}\sqrt{2}$ 

 $9x^{10}\sqrt{2x}$  

 $81x^{10}\sqrt{2x}$