Question

solve x^2+x-110=0

Answer 1

(x-10)(x+11)=0
x=10 x=-11

Answer 2

x^2+x-110=0
product=-110
sum=+1

factors of 110=1,2,5,10,11,22,55,110

pick numbers from the factors and calculate,
so that we get
product=-110
sum=+1
here
what suits are 11 and -10
so
x^2+x-110=0
(x+11)(x-10)=0
x=-11, x=10

Answer 3

x^2+11x-10x-110
x(x+11)-10(x+11)
(x-10)(x+11)
x=10,x=-11