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13-10-2021
Mathematics

contestada

If (x-3) ²=16, find the positive value of x.

Respuesta :

Anonimity Anonimity

13-10-2021

7

Step-by-step explanation:

(x - 3)² = 16

x² - 6x + 9 = 16

x² - 6x + 9 - 16 = 0

x² - 6x - 7 = 0

(x - 7)(x + 1)

x = 7 \/ x = -1

so positive value of x = 7

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