Browse · MATH Print → jmc algebra junior Problem Define the operation ⋆ as K⋆L=(K+L)(K−L) for all integers K and L. What is the value of 6⋆5? Solution — click to reveal Substitute 6 for K and 5 for L in the expression (K+L)(K−L) to find 6⋆5=(6+5)(6−5)=11. Final answer 11 ← Previous problem Next problem →