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Given that x = 1, y = -2, z = 3, find the value of: {x}^(2) + {y}^(2) + z^(2) - 2xyz and \frac{ {5}^(x) + 3^(z) }{y} | please answer with methods, thanks. ​
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Given that x = 1, y = -2, z = 3, find the value of:


{x}^(2) + {y}^(2) + z^(2) - 2xyz
and

\frac{ {5}^(x) + 3^(z) }{y} |
please answer with methods, thanks. ​

User Nillu
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1 Answer

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You have to plug in the given numbers and perform each operation. Let me know if you have questions. The answers are circled.
Given that x = 1, y = -2, z = 3, find the value of: {x}^(2) + {y}^(2) + z^(2) - 2xyz-example-1
User Yoyodunno
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