How much is (-17x^6 - 6x^3 - 20x) + (-10x^4 + 9x^3 - 18)?

1 Answer
Alan P.
Aug 10, 2015

Combining terms with identical exponents of x gives:
color(white)("XXXX")-17x^6-10x^4+3x^3-20x-18

Explanation:

(-17x^6-6x^3-20x)+(-10x^4+9x^3-18)

{:(=, ,(-17x^6), , ), ( ,+, ,+,(-10x^4)), ( ,+, (-6x^3),+,(+9x^3)), ( ,+, (-20x), , ), (, +, ,+,(-18)) :}

= -17x^6-10x^4+3x^3-20x-18

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