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Mathematics, 10.02.2021 17:30 phelanpearson3995

Which quadratic equations has the solution set [-20,9] A. (x+20)(x-9)=0
B. (x-20)(x+9)=0
C. (x-5)(x-4)=0
D. x^2-9x+20=0
E. x^2-11x+180=0
F. x^2+11x-180

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Which quadratic equations has the solution set [-20,9] A. (x+20)(x-9)=0
B. (x-20)(x+9)=0
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