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14 August, 08:14

What is the sum of (x^2+6x-5) + (2x^2+15)

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  1. 14 August, 08:45
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    3x^2 + 6x + 10

    Step-by-step explanation:

    Because we're adding it, it doesn't matter if we just take out the parenthesis.

    X^2 + 2x^2 gives us 3x^2.

    6x stays the same.

    -5 + 15 gives us 10.

    3x^2 + 6x + 10
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