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

Jun 20, 2016

$= 43 {k}^{2} + 58 k$

Explanation:

Multiply out the brackets and then collect like terms.

$3 k \left(k - 2\right) + 8 k \left(8 + 5 k\right)$

$= 3 {k}^{2} - 6 k + 64 k + 40 {k}^{2}$

$= 43 {k}^{2} + 58 k$