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Mathematics 24 Online
OpenStudy (hippoharry):

Which of the following are solutions to the equation below? Check all that apply. x^2 + x - 20 = 0 A. 4 B. -5 C. 5 D. -20 E. 10 F. -4

alones (alones):

http://mathpapa.com/algebra-calculator.html

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