Posted by Nikki on Saturday, September 20, 2008 at 3:38pm.
(4b^4+2)  (7b^25)  (6b^42b^2)
How do you exactly solve/simplify this? I get confused with the signs when it comes to adding/subtracting terms like these. Thanks much!

Math  DrBob222, Saturday, September 20, 2008 at 3:48pm
Remember two rules.
1. Remove parentheses, changing the signs inside the parentheses IF the outside side is negative but not changing if the outside sign is +.
2. Combine like terms.
(4b^4+2)  (7b^25)  (6b^42b^2)
4b^4+27b^2+56b^4+2b^2=
Now just add like terms and go from there if it can be simplified further.
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