RodRod109 RodRod109

11-03-2018
Mathematics

contestada

When the sum of 7 and three times a positive number is subtracted from the square of the number, 0 results. find the number?

Respuesta :

superaphmau86 superaphmau86

13-03-2018

The answer is...
x^2 - (7 + 2x) = 0
x^2 - 2x - 7 = 0

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