Please list the steps to Simplify the below problem? I come up with 2a after multiplication and cancellation
a^2 - b^2 * 2a^2 - 2a = (a + b) (a - b) * 2(a^2 - a) = 2^3b = 2a
a^2 - ab a - 1 a(a - b) * a - 1 a^2 -b
Thank you
<====== This is what you have.
<====== This is what you should have.
Compare them and you'll see where you went wrong!!