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17 January, 21:51

Which of the following is the correct factorization of the polynomial below? 64x3+125

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  1. 17 January, 22:00
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    (4x+5) (16x^2 - 20x + 25)

    Step-by-step explanation:

    Since both terms are perfect cubes, factor using the sum of cubes formula.

    Cubes Formula:

    a^3+b^3 = (a+b) (a^2-ab+b^2)

    where a=4x and b=5.

    hence, why the answer is (4x+5) (16x^2 - 20x + 25)
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