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

asked Feb 27, 2019 72.5k views

3 votes

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

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

PurpleDiane answered Mar 4, 2019

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