N(17+x)=34x−r
17n+xn=34x-r
xn= 34x - r - 17n
xn-34x= -r - 17n
x(n-34)= -r - 17n
x= (-r - 17n)/(n-34)
you can answer it six point six six six six six infinity or you can answer it 6.7 depending upon how they want
Its simple foil
(5-7i)(8+13i)
you should know i^2=-1
=40+65i-56i-91i^2
=131+9i
