sofialala sofialala

30-04-2020
Mathematics

contestada

When 8 is subtracted from the square of a number, the result is 7 times the number. Find the positive solution

Respuesta :

sqdancefan sqdancefan

30-04-2020

Answer:

8

Step-by-step explanation:

The required relation for number n is ...

n^2 -8 = 7n

n^2 -7n -8 = 0 . . . . subtract 7n

(n +1)(n -8) = 0 . . . . factor

Solutions to this equation are n = -1, or n = 8.

The number is 8.

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jaydenmalikoz105e jaydenmalikoz105e

01-05-2020

The answer would be 8

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