Let x and y be the 2 integers.
Then x = 4y - 2
and xy = 90
Substitute for x in the second equation:-
(4y - 2)y = 90
4y^2 - 2y - 90 = 0
2y^2 - y - 45 = 0
(2y + 9)(y - 5) = 0
so y = 5 ( as it is an integer)
and x = = 90/5 = 18
Answer:- The 2 integers are 5 and 18.
