Question

What is answer of (a + b)^2 - (a - b)^2 =

Answer 1

Answer:

4ab is the answer

hope helps you make me as brainlist

Answer 2

Easy

Just remeber this identity

${x}^{2} - {y}^{2} = (x + y)(x - y)$

So now we have

${(a + b)}^{2} - {(a - b)}^{2}$

{(a + b) - (a - b)} {(a + b) + (a - b)}

{ a + b - a + b } { a + b + a - b }

{ 2b } { 2a }

4ab

So the answer is 4ab.

Mark me brainliest and follow me