Question

Pls factorise

a^2+3a-40​

Answer 1

Answer:

a^2+(8-5)a-40 =0

or,a^2 + 8a -5a -40 = 0

or,a(a+8)-5(a+8)=0

or,(a+8) (a-5) =0

so, a+8 = 0

or, a=-8

so,a-5=0

or,a=5

ans. a=5,-8

Answer 2

Answer:

5,-8

Step-by-step explanation:

hope it will help you