Answer:
C. p(x) = 5x - 20
Step-by-step explanation:
p(x) = r(x) - c(x)
p(x) = (11x) - (6x + 20)
Remove the first set of parentheses because they are unnecessary.
p(x) = 11x - (6x + 20)
To remove the second set of parentheses, you must distribute the negative sign throughout the parentheses.
p(x) = 11x - 6x - 20
Combine like terms.
p(x) = 5x - 20
