Question

please btade koi kese hoga ye​

Answer 1

Answer:

a= 5, -4

Step-by-step explanation:

a²+ a- 20

by middle term splitting

a²- 5a+ 4a -20

a(a -5) + 4(a -5)

(a -5)(a+4)

a= 5, -4

hope it helps you