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18-02-2022
Mathematics

contestada

when 36 is subtracted from the square of a number , the result is 5 times the number

Respuesta :

18-02-2022

Answer:

Step-by-step explanation:

[tex]x^2- 36 =5x\\x^2- 36 - 5x =0\\x = 9[/tex]

Check:

[tex]9^2 - 36 = 5(9)[/tex]

81 - 36 = 45

45 = 45

Therefore, our answer, 9 is correct.

Hope that helps!

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