Question

The product of two consecutive even no s is 440. find the two integers

Answer 1

x*(x+2)=440
x^2+2x-440=0
(x-20)(x+22)=0
x-20=0
x=20 answer.
x+2=22 answer.
proof
20*22=440
440=440

Answer 2

Let the numbers be x and x+2
x(x+2)=440
x=20
x+2=22