Question 437307
The word is integers not inteRgers.
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question 3
let the first integer be x and the second be x+1
x*(x+1)=11+x+x+1
x^2-x-12=0
x=-3 x+1=-2
 x=4 x+1=5
so there are two answers
-3 and -2 
check
-3*-2=6 
-3+-2=-5
6- -5=11
ok
4 and 5
check
4*5=20
4+5=9
20-9=11
ok