Question

x^2+ax+20 factorise​

Answer 1

Step-by-step explanation:

x(x+a)+20=0

x=-20

x+a=0

x-20=0

x=20

Answer 2

Answer:

X(x+a) +20=0

Step-by-step explanation:

X=-20 x+a=0, x=-20, x=20