Question

This is Quadratics.
(5n−5)(2+2n)

Answer 1

Answer: 10n^2 - 10

Explanation:

(5n - 5)(2+2n) becomes (5n-5)(2n+2)

= (5n)(2n) + (5n)(2) + (-5)(2n) + (-5)(2)

= 10n^2 - 10