Mathematics, 22.07.2019 17:30, KKHeffner02

Pls soon! : ) question- the difference of the square of a number and three times the sum of the number and 7 is more than the product of that number and 15. select the inequality that can be used to determine the unknown number. a. x2 + 3x ≥ 15 + x b. x2 - 3x + 7 ≥ 15x c. x2 - 3x - 21 > 15x d. x2 - 3x + 21 > 15 + x

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Pls soon! : ) question- the difference of the square of a number and three times the sum of the num...