Question

(n-1)(2n-2)

Answer 1

=2n^2-2n-2n+2=2n^2-4n+2

Answer 2

\[2n^2-2n-2n+2\]

Answer 3

yea but the -2n-2n = -4n+2

Answer 4

-2n-2n=-4n

Answer 5

so the answer is n squared ?

Answer 6

never mind then