Question 306638
let the numbers be x & x+1

product of both = x(x+1)

x(x+1)= 10x-8

x^2+x=10x-8

x^2-8x+9=0

x^2-9x+x-9=0

x(x-9)+1(x-9)=0

(x-9)(x+1)=0

x= 9 OR -1