The second option: 4x² - x + 1
All you have to do is add the like terms:
3x² + x² = 4x²
4x - 5x = -x
-2 + 3 = 1
Combine all the results and you will get your solution!
The answer is gonna be 14
Step-by-step explanation:
use CAH method (Cos angle = adjacent/hypotenuse)
Given adjacent = 5
Hypotenuse = 12,

Option A is your answer.
Subtract 3 from both sides to get zero on the right side of the equal sign.
8 - 3 = 5.
So that becomes your constant term in the equation.