Question:

Indicated operations?

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(7x^2 - 5x - 28) + (7x^2 + 7x)

simplify

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  1. (7x²- 5x - 28) + (7x² + 7x)

    => 7x² - 5x – 28 + 7x² + 7x

    => 7x² + 7x²- 5x + 7x– 28  

    => 14x² + 2x – 28

    => 2(7x² + x – 14)

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