Question

a2 - b2 from b2 - a2​

Answer 1

Answer:

a^2-b^2-(b^2-a^2)

a^2-b^2+a^2-b^2

2a^2-2b^2

2(a^2-b^2)

2(a+b)(a-b)

Step-by-step explanation:

Answer 2

Answer:

$b2 - a2 - (a2 - b2) \\ b2 - a2 - a2 + b2 \\ b2 + b2 \\ 2b2$