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OpenStudy (anonymous):
What value should be added to the expression to create a perfect square? x2 – 20x
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OpenStudy (anonymous):
18 -2x so x =18/2 so 9 Guess thats how its done
OpenStudy (anonymous):
Hmmmm thanks for your help
OpenStudy (anonymous):
but wait
OpenStudy (anonymous):
the answer choices are –25 25 100 –100
OpenStudy (anonymous):
is it a quadratic problem?
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OpenStudy (anonymous):
yes
OpenStudy (anonymous):
Then use this
OpenStudy (anonymous):
Okay Thanks!
OpenStudy (anonymous):
so whats the answer
OpenStudy (anonymous):
100
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OpenStudy (anonymous):
tell me how so that i know you have understood it well
OpenStudy (anonymous):
well i don't really have the time to explain right now. I am in the middle of an English test and im trying to get my math homework done
OpenStudy (anonymous):
But don't worry i understand
OpenStudy (anonymous):
lol
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