Answer: when a number is multiplied by itself, it will give you a perfect square.
For example: 5x5= 25 or 4x4= 16.
Step-by-step explanation:
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Step-by-step explanation: this one is for zack!!!!!!!!!
Answer:
-21
Step-by-step explanation:
It would have to be -21 because there's -7, but the threes not negative so it would have to be -21