Answer:
A
Step-by-step explanation:
It is making me add 20 characters to my answer so ignore this :)
Answer:12.72
Step-by-step explanation:
C is the correct answer I think
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