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Mathematics, 12.07.2019 03:00 CateL1515

3math questions 1.) 2x^2-2x-4=0 2.) x^2+8x+15=0 3.) 2x^2=18x+20

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3math questions 1.) 2x^2-2x-4=0 2.) x^2+8x+15=0 3.) 2x^2=18x+20...

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