Respuesta :
(7k+8)(7k-6)
=49k²+56k-42k-48
=49k²-12k-48 This is the answer if you want it expanded
K=(-8/7) , (6/7) answer if the equation is equal to 0
=49k²+56k-42k-48
=49k²-12k-48 This is the answer if you want it expanded
K=(-8/7) , (6/7) answer if the equation is equal to 0