w(4w^3+8w^4)-(5w^3-2w^5)

Question

Write an expression which is equivalent to

Answer 1

w(4w^3+8w^4)-(5w^3-2w^5)

You may add or subtract the coefficients of like terms, so:

4 w^4 + 8 w^5 - 5 w^3 + 2 w^5 [distribute w; distribute minus]

8 w^5 + 2 w^5 + 4 w^4 - 5 w^3

10 w^5 + 4 w^4 - 3 w^3