SOLUTION: when x=2 what is 2x²+3x-1

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Question 986818: when x=2 what is 2x²+3x-1
Answer by jim_thompson5910(35256) About Me  (Show Source):
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Replace every x with 2. Then evaluate with a calculator or use pencil/paper

2x%5E2%2B3x-1
2%282%29%5E2%2B3%282%29-1 Replace every x with 2
2%284%29%2B3%282%29-1
8%2B6-1
14-1
13

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So when x+=+2, the value of 2x%5E2%2B3x-1 is 13