Answer:
x³ + 5x² + 5x - 2
Step-by-step explanation:
Given
x³ + 3x² - x + 2x² + 6x - 2 ← collect like terms
= x³ + (3x² + 2x² ) + (- x + 6x ) - 2
= x³ + 5x² + 5x - 2
Answer:
5x + 27
Step-by-step explanation:
This is because the 5 shirts for x dollars = 5x.
Then 3 shirts cost 9 dollars = 27.
So, the answer is 5x + 27
Answer:
simple its 16
Step-by-step explanation: