SOLUTION: im having trouble solving the following problem. {{{(c^2-6cd-2d^2)+(7c-cd+8d^2)-(-c^2+5cd-d^2)}}} Thank you for your help.

Algebra ->  Algebra  -> Sequences-and-series -> SOLUTION: im having trouble solving the following problem. {{{(c^2-6cd-2d^2)+(7c-cd+8d^2)-(-c^2+5cd-d^2)}}} Thank you for your help.      Log On

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 Algebra: Sequences of numbers, series and how to sum them Solvers Lessons Answers archive Quiz In Depth

 Question 177120: im having trouble solving the following problem. Thank you for your help.Answer by colliefan(239)   (Show Source): You can put this solution on YOUR website!(c^2-6cd-2d^2)+(7c-cd+8d^2)-(-c^2+5cd-d^2) First, make sure you don't create any errors in signs by changing the subtraction of the last quantity in parentheses to addition. Then, since there are no other operations than the addition and subtraction between these terms, regroup them so like terms are together. Like terms have the same variables raised to the same powers. Then, you can combine the like terms. These terms are not like terms and so this cannot be simplified.