SOLUTION: Express as a trinomial {{{ (5x^2 + 2x - 3)-(2x^2 - 3x + 7) }}}

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Question 122681: Express as a trinomial
+%285x%5E2+%2B+2x+-+3%29-%282x%5E2+-+3x+%2B+7%29+
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
+%285x%5E2+%2B+2x+-+3%29-%282x%5E2+-+3x+%2B+7%29+ Start with the given expression



+5x%5E2+%2B+2x+-+3-2x%5E2+%2B3x+-+7+ Distribute the negative



%285x%5E2-2x%5E2%29%2B%282x%2B3x%29%2B%28-3%2B-7%29 Group like terms


3x%5E2%2B5x-10 Combine like terms



So +%285x%5E2+%2B+2x+-+3%29-%282x%5E2+-+3x+%2B+7%29+ simplifies to 3x%5E2%2B5x-10