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balandron [24]
3 years ago
9

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
Mathematics
1 answer:
Pachacha [2.7K]3 years ago
6 0

Answer:

x2 - 3(x + 7) > 15x

x2 - 3x - 21 > 15x

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