Question

How do you simplify `3k(k-2)+8k(8+5k)`?

Answer 1

`= 43k^2+58k`

Explanation:

Multiply out the brackets and then collect like terms.

`3k(k-2) + 8k(8 +5k)`

`=3k^2 - 6k + 64k + 40k^2`

`= 43k^2+58k`