Question

(6+n^3)+2n^3-1)

Answer 1

(6+n3)+2n3−10

Remove the parentheses around the expression 6+n3.

6+n3+2n3−10

Subtract 10 from 6 to get −4.

−4+n3+2n3

Since n3 and 2n3 are like terms, add 2n3 to n3 to get 3n3.

−4+3n3

Reorder the polynomial −4+3n3 alphabetically from left to right, starting with the highest order term.

3n3−4

Answer 2

is that what you needed?