Question

What is the solution of this?
(x+a)(x+b)=??

Answer 1

x²+(a+b)x+ab

Explanation:

(x+a) (x+b) = (x)²+(a+b)x+(a)(b) = x²+(a+b)x+ab

Answer 2

(x+a)(x+b)= x²+(a+b)x+ab

This is an identity of mathematics! not an equation.