Question

Factorise:​

a^2+3a-40​​

Answer 1

Your Solution:

a² + 3a - 40

= a² + 8a - 5a - 40

= a(a + 8) - 5(a + 8)

= (a - 5)(a + 8)

I hope you got it

Happy Learning :D

Answer 2

Factorizinga2−3a−40,

Split 3 as:

= a² + 5a − 8a − 40

= a(a + 5) − 8(a + 5)

= (a+5) (a−8)

I hope you understood...