Does 9 only have one square root? Why or Why not?

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Does 9 only have one square root? Why or Why not?

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King 5 years 2021-08-09T21:48:18+00:00 1 Answers 29 views 0

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  1. Amity
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    2021-08-09T21:50:00+00:00
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    Answer:

    9 actually has 2 square roots,

    Step-by-step explanation: any positive real number has 2 square roots , positive, and a negative, and nine is a real number, so nine’s square roots would be -3 and +3

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )