Question

The sum of two numbers is 13. Their product is - 1850. Find the numbers.

Answer 1

Let m and n be the numbers. Then:

m+n=13 and

mn=40

Then:

n=13-m

So:

m(13-m)=40

13m-m²=40

m²-13m+40=0

(m-8)(m-5)=40

m=8 or 5

Thus, the two numbers are 8 and 5……………….

Explanation: