adonailis4660 adonailis4660

20-10-2017
Mathematics

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What is differnce when there is parentheses around a number being squared?

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magistercollege magistercollege

20-10-2017

When parentheses are around a number being squared, the output value will always be positive.

For example: -2² vs (-2)²
-2² means the negative of the square of two, or -4
(-2)² means the square of negative two, or 4

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