Question

Factorise 2n^2+78n-780

Answer 1

Step-by-step explanation:

2n^2 + 78n - 780

= 2n^2 + 12n + 65n - 780

= n(n + 12) + 65(n + 12)

= (n + 12)(n + 65)

Hope this helps

MARK AS BRAINLIEST