brPaygarsiegio brPaygarsiegio

15-07-2016
Mathematics

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Simplify the expressions. show your work. 3x(4x4 – 5x)

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Jisallyouget Jisallyouget

15-07-2016

3x(4x4 – 5x)
= 12x^5-15x^2

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dalendrk dalendrk

15-07-2016

[tex]3x(4x^4-5x)=(3x)(4x^4)-(3x)(5x)=(3\cdot4)x^{1+4}-(3\cdot5)x^{1+1}\\\\=\boxed{12x^5-15x^2}[/tex]

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