SOLUTION: identify the terms in the polynomial 5n^4 - 10n^3 - 7n + 25 Subtract. (7x7 + 6x6 - 3x5 - 1) - (9x7 + 3x6 - 6x5 - 2) do i subtract the first set of parentheses bec i tried bot

Algebra ->  Problems-with-consecutive-odd-even-integers -> SOLUTION: identify the terms in the polynomial 5n^4 - 10n^3 - 7n + 25 Subtract. (7x7 + 6x6 - 3x5 - 1) - (9x7 + 3x6 - 6x5 - 2) do i subtract the first set of parentheses bec i tried bot      Log On


   



Question 297737: identify the terms in the polynomial 5n^4 - 10n^3 - 7n + 25
Subtract.
(7x7 + 6x6 - 3x5 - 1) - (9x7 + 3x6 - 6x5 - 2)
do i subtract the first set of parentheses bec i tried both way but im coming up with diff answers
please show me where im going wrong

Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
(7x^7 + 6x^6 - 3x^5 - 1) - (9x^7 + 3x^6 - 6x^5 - 2)

7x^7 + 6x^6 - 3x^5 - 1 - 9x^7 - 3x^6 + 6x^5 + 2


(7x^7 - 9x^7) + (6x^6- 3x^6) +(- 3x^5+ 6x^5)+( - 1 + 2)


-2x^7 + 3x^6+3x^5+1


(7x^7 + 6x^6 - 3x^5 - 1) - (9x^7 + 3x^6 - 6x^5 - 2) = -2x^7 + 3x^6+3x^5+1