SOLUTION: please help me solve (-3x^2-x-7) - (x^2+4x-9)

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Question 196843: please help me solve (-3x^2-x-7) - (x^2+4x-9)
Found 2 solutions by jim_thompson5910, Mathtut:
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
+%28-3x%5E2-x-7%29+-+%28x%5E2%2B4x-9%29 Start with the given expression.


-3x%5E2-x-7-x%5E2-4x%2B9 Distribute


%28-3x%5E2-x%5E2%29%2B%28-x-4x%29%2B%28-7%2B9%29 Group like terms


-4x%5E2-5x%2B2 Combine like terms


So +%28-3x%5E2-x-7%29+-+%28x%5E2%2B4x-9%29=-4x%5E2-5x%2B2

Answer by Mathtut(3670) About Me  (Show Source):