Question

x² + 9x+ 20
How to discriminent​

Answer 1

Answer:

x²+9x+20

(x²×20)

20x²= 2x²×10x²

= 4x²×5x².

x²+4x+5x+20

x(x+4)+5(x+4)

(x+4) (x+5)

is the answer

Answer 2

Answer:

-4, - 5

Step-by-step explanation:

You have to solve by using the formulae :

$x = (\sqrt{ {b}^{2} \: - 4ac } ) \div 2a$