Question

Given a≠±b and ( (a^2−b^2) / (a+b) )=12, find a−b.
Giving brainliest for correct answer

Answer 1

$a-b=12$, since

$a^2-b^2=(a-b)(a+b)$

and when $a\neq-b$, we have

$\dfrac{a^2-b^2}{a+b}=\dfrac{(a-b)(a+b)}{a+b}=a-b=12$