Respuesta :

wegnerkolmp2741o

Answer:

8

Step-by-step explanation:

a A + b A where A is a matrix and a and b are scalars

( a+b) A

3+5 [tex]\left[\begin{array}{cc}-1&2\\4&-5\end{array}\right][/tex] = 8[tex]\left[\begin{array}{cc}-1&2\\4&-5\end{array}\right][/tex]

         

jaxsonholme1

Answer:

8

Step-by-step explanation: