SOLUTION: Find the sum of 3-2x-5xsquared and 7xsquared-4 in simplest form.

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Question 118589: Find the sum of 3-2x-5xsquared and 7xsquared-4 in simplest form.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
%283-2x-5x%5E2%29%2B%287x%5E2-4%29 Start with the given expression

%28-5x%5E2%2B7x%5E2%29%2B%28-2x%29%2B%283-4%29 Group like terms

2x%5E2-2x-1 Combine like terms