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7 votes
7 votes
Solve. x = √x + 12.

Do not include extraneous solutions.
× = [?]
X + 12 is all under a square root

User CedX
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2 Answers

27 votes
27 votes

answer: √x = -12

explanation:

User Ibn
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24 votes
24 votes

Answer:

we can subtract x from both sides, giving us:

√x + 12 - x = 0

This simplifies to:

√x = -12

Since the square root of a number is always positive, the solution x = -12 is extraneous and should be discarded. The only solution for x is therefore x = 0.

User Insanity
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