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marikohtla
@marikohtla
July 2023
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9*x^2 + 30*x = 10*(3*x + 5) - 25
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Kormash
9х^2 + 30х = 10(3х + 5) - 25
9х^2 + 30х = 30х + 50 - 25
9х^2 = 50 - 25
9х^2 = 25
х^2 = 25/9
х = +- 5/3
х1 = - 5/3
х2 = 5/3
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Answers & Comments
9х^2 + 30х = 30х + 50 - 25
9х^2 = 50 - 25
9х^2 = 25
х^2 = 25/9
х = +- 5/3
х1 = - 5/3
х2 = 5/3