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Q: What is x to the second power plus y to the second power equals z to the second power?

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It equals 0. * * * * * Unless the question is (-x)2 + (+x)2. In that case, the answer is 2x2

... and what is the question?

x² + x² = 2x²

x = +11 or -11

It is a polynomial expression in x. What about it?

Try -1. x=1, x=-6

If: y2+x2 = 52 Then: x2 = 52-y2 Their values could be: x = 3 and y = 4

There are an infinite number of different quantities to which it could be equal, depending on what the value of 'X' happens to be at the moment.

X to the 2nd power is simply X squared, or X times X.

10 ( x = -3)

999 and 1

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