Math, asked by hannahmariyar, 10 months ago

3. Add: 5x² + 7y - 6z² ; 4y + 3x² ; 9x² + 2z² - 9y and 2y - 2x².

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Answered by Anonymous

3

Answer:

5x² + 7y - 6z² + 4y + 3x² + 9x² + 2z² - 9y + 2y - 2x²

15x²-4y-4z²

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