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OpenStudy (anonymous):
Find two numbers whose sum equals 7 and whose product equals 8. Give 2 possible answers.
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OpenStudy (bahrom7893):
x+y=7 xy = 8 ... nenand got this!
OpenStudy (nenadmatematika):
I have troubles with posting :(
OpenStudy (anonymous):
-1 and 8
OpenStudy (anonymous):
x + y = 7 xy = 8 -> x ( 7 - x) = 8 -> x^2 - 7x + 8 = 0 => x = (7 +/- V17) / 2
OpenStudy (anonymous):
x = 5.56, 1.44
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