Question

(a-b)² + _____ = a² - b²........
plz help​

Answer 1

Answer:

(a-b)²+(a+b)²=a²-b²

it will help you

Answer 2

Answer:

The Value added is $2b(a-b)$

Step-by-step explanation:

Given:

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

We need to find the value of ?

We get as

$a^2+b^2-2ab+x=a^2-b^2\\\\x=a^2-b^2-a^2-b^2+2ab\\\\x=-2b^2+2ab\\\\x=2b(a-b)$