Question 499535
let x be the intgere
the next even number = x+2

x(x+2)= 624
x^2+2x-624=0

x^2+26x-24x-424=0

x(x+26)-24(x+26)=0
(x+26)(x-24)=0
x= -26 OR 24

The numbers are 
-26,&-24
24 & 26