SOLUTION: please help Short Answer. Add the following: (-3.3x2 + 3.3x – 2.1) + (-8.7x2 + 9.8x + 4.2)

Algebra ->  Square-cubic-other-roots -> SOLUTION: please help Short Answer. Add the following: (-3.3x2 + 3.3x – 2.1) + (-8.7x2 + 9.8x + 4.2)      Log On


   

Question 620140: please help Short Answer. Add the following: (-3.3x2 + 3.3x – 2.1) + (-8.7x2 + 9.8x + 4.2)
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Add the following: 

(-3.3x^2 + 3.3x – 2.1)  

(-8.7x^2 + 9.8x + 4.2)

 -12x^2  + 13.1x + 2.1