Question

Product of two consecutive natural number is 30 find them

Answer 1

Let the required numbers be x and x+1
And, x(x+1)=30
x^2+x-30=0
x^2+6x-5x-30=0
x(x+6)-5(x+6)=0
(x+6)(x-5)= 0
x = -6 and x = 5
Product of natural number is 5 and 6