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20 June, 05:35

What is the sum of the polynomials?

(7x^3 - 4x^2) + (2x^3 - 4x^2)

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  1. 20 June, 09:18
    0
    (7x^3 - 4x^2) + (2x^3 - 4x^2)

    Add 2x^3 to 7x^3

    (9x^3 - 4x^2) + (-4x^2)

    Add - 4x^2 to - 4x^2. This would be the same as subtracting 4x^2 from - 4x^2

    Final Answer: 9x^3 - 8x^2

    *The answer cannot be broken down anymore. It's in it's simplest form.
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