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Find the number of variables in the expression: 3x² + 25xy+7x2+5y² + z^2
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Find the number of variables in the expression: 3x² + 25xy+7x2+5y² + z^2

User AntonioMO
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Each x, y, or z is a variable, so count those.
Find the number of variables in the expression: 3x² + 25xy+7x2+5y² + z^2-example-1
User VinuBibin
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