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anonymous
 one year ago
2t^2+5t+?=0
How can i get the 3rd term?
anonymous
 one year ago
2t^2+5t+?=0 How can i get the 3rd term?

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Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.3You can complete the square

phi
 one year ago
Best ResponseYou've already chosen the best response.1the third term could be anything (unless we have more info) if we assume this equation is in standard form, the third term would be a number (with no "t" variable) for example, it could be 0, 1, 2, or pi , etc

phi
 one year ago
Best ResponseYou've already chosen the best response.1if we know the expression is a "perfect square" then we would do as astro suggests.

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.3So if you have \[x^2+ax=0\] we can do the following \[x^2+\frac{ 2ax }{ 2 } + \left( \frac{ a }{ 2 } \right)^2\left( \frac{ a }{ 2 } \right)^2=0\] (complete the square)
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