belalakey belalakey

18-05-2018
Mathematics

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(-x^3+26x^2-7-13)+(6x^4-x^3+8x+27)
express the answer in standard form.

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18-05-2018

[tex](-x^3+26x^2-7-13)+(6x^4-x^3+8x+27)\\\\=-x^3+26x^2-7-13+6x^4-x^3+8x+27\\\\=6x^4+(-x^3-x^3)+26x^2+8x+(27-7-13)\\\\=\boxed{6x^4-2x^3+26x^2+8x+7}[/tex]

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