zayveaiondun24 zayveaiondun24

03-08-2021
Mathematics

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Which equation results from taking the square root of both sides of (x – 9)2 = 81?

x – 9 = ±9
x + 9 = ±9
x + 3 = ±9
x – 3 = ±9
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Respuesta :

Sueraiuka Sueraiuka

03-08-2021

Step-by-step explanation:

Hi there!

Given;

(x-9)² = 81........(i)

Take whole square right side;

(x-9) = ±√(81)

(x-9) = ±9

Therefore, the answer is option A.

Hope it helps!

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