Algebra: Someone asked...

What do we get when (2x-1) X (4x-2)?

(2x-1) X (4x-2)
= (2x-1) X 4x + (2x-1) X (-2)

It can be rewritten as
= 4x X (2x-1) + (-2) X (2x-1) {which is easier to read}
= 8x² - 4x - 4x + 2
= 8x² - 8x + 2