iminiya435 iminiya435

14-05-2020
Mathematics

contestada

7 times a number is 8 less than the square of that number. Find the positive solution.

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ethanchpoon ethanchpoon

14-05-2020

Answer: 8

Step-by-step explanation:

7x+8=x^2

x^2-7x-8=0

(x-8)(x+1)=0

x=8

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