Question

How do you multiply `(5n^2)(2n^5 - 2n^3 3n^7)`?

Answer 1

10`n^7` -30 `n^12`

5`n^2` will multiply with both the terms inside the parentheses. On multiplication the exponents would add with the same base n. Final result would be 10`n^7` -30`n^12` .