Respuesta :

-8.5(6.5)-3.5(6.5)= -7.8
-7.8= -7.8

Answer:-55.25 - 22.75 = -78

Step-by-step explanation:

To check the answer, we plug the value of x into the equation;

Since x is given as 6.5, equation will be written as:

-8.5 (6.5) – 3.5 (6.5) = -78

(-8.5 x 6.5) - (3.5 x 6.5) = -78

-55.25 - 22.75 = -78