Answer:
7
Step-by-step explanation:
Given the information from the question:
[tex]fg - f = f \times g - f[/tex]
Next we can use the order of operations to find the value of the expression.
[tex]fg - f = - 6 \times - 1 - ( - 1) \\ = 6 - ( - 1) \\ = 6 + 1 \\ = 7[/tex]