SOLUTION: (-3r2 � 4r) + (2r2 + r � 1)

Question 504361: (-3r2 � 4r) + (2r2 + r � 1)
Answer by Maths68(1474) (Show Source): You can put this solution on YOUR website!
(-3r2 � 4r) + (2r2 + r � 1)
=(-3r2 � 4r) + (2r2 + r � 1)
=(-6r-4r)+(4r+r-1)
=(-10r)+(5r-1)
=-10r+5r-1
=-5r-1
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