Step-by-step explanation:
let's say one integer is X ....
so , Another one is (X -4).....
so , X × (X - 4) = 45
x² - 4x - 45 = 0
x² - 9x + 5x - 45 = 0
x(x - 9) +5(x - 9) = 0
(x-9) × (X+5) = 0
x-9 = 0 OR x+5 = 0
X= 9 X= -5
X is not a negative integer ......
so , X = 9
X-4 = 5 .......
