Add the given expressions II — task. Mathematics State Board, Class 7.

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59 x^{2} + 73 y - 9

42 y + 73 - 29 x^{2}

and

63 - 59 y + 42 x^{2}

\(=\) \(x^2\ +\) \(y\ +\) .

(Note: Insert the answer with the number in separate boxes as per the given order.)

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2. Add the given expressions II