Question

if a+b=12,ab=17 then the value of (4+a)(4+b) is:

Answer 1

hope my answer helped u ; )

Answer 2

(x+a)*(x+b) = x²+(a+b)x+ab
( 4 + a ) * ( 4 + b )
4²+(a+b)4+ab
16 + (12)4 + 17
16+48+17
= 81