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Mathematics, 23.07.2019 17:00 livmoney8905
Which of the following quadratic equations has the solution set (-20,9)? select all that apply 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 of the following quadratic equations has the solution set (-20,9)? select all that apply a. (...
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