Question

(5n−5)(2+2n) standard form

Answer 1

10n -10

Explanation:

5n * 2n = 10n

-5 * 2 = -10

-10 + 10n = 10n - 10

Answer 2

10n^2-10

Explanation:

Distribute it to get 10n^2 +10n-10n-10. Then put it all together.