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18 March, 07:50

Find the sum of - 7x2 - 6x + 9 and - 3x2 - x + 7.

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  1. 18 March, 08:55
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    -7x - 4

    Step-by-step explanation:

    (-7 x 2) - 6x + 9 + (-3 x 2) - x + 7

    -14 - 6x + 9 - 6 - x + 7

    -7x - 4
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