Math, asked by sujeetrana7370, 1 month ago

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Solve all the questions.​

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Answered by Genius4522
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Answer:

(1) 10x

(2) 6x²

(3) 3xyz

(4) -8x² + 7a²

Step-by-step explanation:

(1) 3x + 7x

  10x

(2) 2x² + (-3x²) + 7x²

    2x² - 3x² + 7x²

    -x² + 7x²

   6x²

(3) 7xyz + (-5xyz) + 9xyz + (-8xyz)

    7xyz - 5xyz + 9xyz - 8xyz

    16xyz - 13xyz

   3xyz

(4) (x² + a²) + (-5x² + 2a²) + (-4x² + 4a²)

    x² + a² - 5x² + 2a² - 4x² + 4a²

    (x² - 5x² - 4x²) + (a² + 2a² + 4a²)

    -8x² + 7a²

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