Question 986733
x is the first, x+2 and x+4 are the others,
x^2+6=5(2x+6)
x^2+6=10x+30
x^2-10x-24=0
(x-12)(x+2)=0
12,14,16 ;; 144=150-6
-2,0,2;;4=10-6