Answer:B
Step-by-step explanation:
=========================================
Explanation:
n = some unknown number
2n = twice a number
4+2n = four more than twice a number
4+2n = 8 since the "is" means "equals"
Below is a diagram showing the word problem broken up in a table form
Answer:
the answer is 9x^3 - 6x^2 + 3x
take each number with variable and divided by 3x
