Question

10th graph exercise 3.15 question x2-9x+20=0​

Answer 1

Answer:

x2-9x+20

x2+5x-4x+20

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

(x-4)(x+5)l

Answer 2

Answer:

hello guys.

the answer is

x2-9x + 20 =0

x2-9x= -20

x2-x= -11

x = -11.