Question

What is the correct expansion of this expression (w-p)(3p+w)

Answer 1

3pw + w^2 - 3p^2 - pw = 2pw + w^2 - 3p^2

Explanation:

Multiply every term of the first binomial by every term of the second binomial.

(w - p)(3p + w) = 3pw + w^2 - 3p^2 - pw = 2pw + w^2 - 3p^2