Question

Simplify each product. Write in standard form. Explain

16.
5k(3 - 4k)

18.
6g^2 (g - 8)

20.
-2n^2 (5n - 9 + 4n^2)

Answer 1

Use distributive property:
16. 5k(3 - 4k)
15k - 20k^2
18. 6g^2(g - 8)
6g^3 - 48g^2
20. -2n^2 (5n - 9 + 4n^2)
-10n^3 + 18n^2 - 8n^4