What is #(8n-2+3n^3)-(6-8n+7n^4-2n^3)#?

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Answer 1 · 2016-12-24T09:25:25

#-7n^4+5n^3+16n-8#

Simplify #(8n-2+3n^3)-(6-8n+7n^4-2n^3)#

Distribute the negative sign to the term that follows.

#8n-2+3n^3color(red)(-6+8n-7n^4+2n^3)#

Gather like terms. Arrange them in descending order of exponents.

#-7n^4+(3n^3+2n^3)+(8n+8n)-2-6#

Simplify.

#-7n^4+5n^3+16n-8#