Question

Evaluate 3n2 – 2an if a = –3 and n = 4.

a.24


b.3


c. 51


d72

Answer 1

Explanation:

hello :

put a=-3 and n=4 in : 3n2 – 2an

you have : 3(4)² – 2(-3)(4) =3(16)+6(4) =48+24 = 72