lilvaris07 lilvaris07

15-07-2018
Mathematics

contestada

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.

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clouse617140 clouse617140

13-05-2020

Answer:

The question stated that the difference of the square of a number and three times the sum of the number and 7 (x^2-3 (x+7))is more than the product of that number and 15 (15x)

So x^2- 3(x+7)>15(x)= x^2 -3x +21>15x

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