What is the sum of the two numbers?

The product of two numbers is 144 and their difference is 10. What is the sum of the two numbers?

MetroEye: Refer KeyFormulas

As per formula, $(A+B)^2 = (A-B)^2 + 4AB$

=> $(A+B)^2 = 10^2 + 4\cdot 144$ = 100+576 = 676
=> A+B = $\sqrt{676}$ = 26

The sum of two numbers is 26.