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23-10-2018
Mathematics

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factor 3x^3+4x^2-15x-20

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purple4kels purple4kels

23-10-2018

Answer: (3x+4)(x^2-5)

Step-by-step explanation:

(3x^3+4x^2) + (-15x-20)

(3x^3+4x^2) = x^2(3x+4)

(-15x-20) = 5(3x+4)

(x^2-5)(3x+4)

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