Mathematics, 30.06.2019 09:00 Alysssssssssssa
Show that 2x^2 + 7x + 7 is positive for all real values of x.
Answers: 1
because 
will always be non-negative. Then at this point we get a value of 
, which means
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Show that 2x^2 + 7x + 7 is positive for all real values of x....
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