Answer:
B. 
Step-by-step explanation:
5÷7 is also
--that divided sign is what the fractional bar represents in a fraction.
now multiply 
both are the same result, so your answer is Choice B.
To combine like terms and single out one term to take it easier to solve, the 6x was moved to the other side to combine like terms.
Subtracting 6x from 10x which is 4x
I might be wrong but I say 16
Answer:
5
Step-by-step explanation:
f(-5)=-(-5)^2 - 7(-5) - 5
f(-5)= -25 +35 - 5
f(-5) = -25 +30
f(-5) = 5