Question

(2x-1)^2

Answer 1

Okay, you're squaring 2x-1.
Any idea on how to start?

Answer 2

use this formula
(a-b)^2 = a^2 -2ab +b^2

Answer 3

I'm not to sure...

Answer 4

Okay, essentially you're going to multiply 2x-1 by 2x-1.

The problem setup will look like this:
(2x-1)(2x-1)
Does that help?

Answer 5

Yes, that helps..

Answer 6

ok lets do it
by using the above formula i mentioned
(2x-1)^2 = (2x)^2 -2(2x)(1) +1^2
= 4x^2-4x+1

Answer 7

Makes perfect sense now!

Answer 8

Awesome! Glad to have helped! :)