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Maths-

SAT

Easy

Question

(x - 3)² = 81
What is the sum of the solutions to the given equation?

0
6
9
12

The correct answer is: 6

(x – 3)² = 81
(x – 3)² = $square root of 81$
x – 3 = ± 9
x – 3 = 9
x – 3 = -9
x = 12
x = -6
∴ 12 – 6 = 6

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