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Mathematics 11 Online
OpenStudy (anonymous):

o

jimthompson5910 (jim_thompson5910):

hint: you can solve x^2 - 21x - 100 = 0 for x using the quadratic formula. That will help you find the two numbers

jimthompson5910 (jim_thompson5910):

correct

jimthompson5910 (jim_thompson5910):

4 plus -25 = -21 4 times -25 = -100

jimthompson5910 (jim_thompson5910):

so now you solve x^2 + 21x - 100 = 0 for x using the quadratic formula to help you find the two numbers

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