Question

Factorise: a² + 19a + 78 using middle term splitting method​

Answer 1

$\color{red}{Answer}$

a² + 19a + 78

a² + (13+6)a + 78

a² + 13a + 6a + 78

a(a+13) + 6(a+13)

(a+13)(a+6)

Hope it helps you mate ❤️