Question

factorise x^2-9x+20=0​

Answer 1

Answer:

4,5

Step-by-step explanation:

x²-9x+20=0

x²-5x-4x+20=0

x(x-5)-4(x-5)=0

(x-5)(x-4)=0

x=4,5

Answer 2

Answer:

10,2 is the answer.

Step-by-step explanation:

x²-10x+x+20

x(x-10) -2(x-10)

(x-10)(x-2)=0

x=10 or x=2