garysongoen garysongoen

04-02-2022
Mathematics

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Multiply: (5x - 2)(4x^2 - 3x -2)

Multiply 5x 24x2 3x 2 class=

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aliogaili5 aliogaili5

04-02-2022

Option B.

5x−2)(4x^2−3x−2)

=(5x+−2)(4x^2+−3x+−2)

=(5x)(4x^2)+(5x)(−3x)+(5x)(−2)+(−2)(4x^2)+(−2)(−3x)+(−2)(−2)

=20x^3−15x^2−10x−8x^2+6x+4

=20x^3−23x^2−4x+4

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