Find the values of z, y and z that correspond to the critical point of the function: 2 = = f(x, y) = 2x² - 2x - 5y + 5y² + 6xy Enter your answer as a decimal number, or a calculation (like 22/7) I (Round to 4 decimal places) (Round to 4 decimal places) (Round to 4 decimal places)

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