llgreenleafll llgreenleafll 25-09-2020 Mathematics contestada Evaluate the expression for the given values of the variables -K2 - (8k - 3n) + 7n; k= -3 and n= - 2 For k= -3 and n= - 2, – k2 - (8k – 3n) + 7n= = (Simplify your answer.)