Question

Quick Question! The product of (a - b)(a - b) is a perfect square trinomial, correct?

Answer 1

Sometimes, always, or never?

Answer 2

hint: x*x = x^2 by definition

Answer 3

So, I'm taking that as an always :P

Answer 4

correct

Answer 5

replace every x with (a-b) to get

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

Answer 6

haha thanks. I was overthinking that a bit.

Answer 7

you're welcome