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

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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)   (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