Question 22. 22. Which of the following is equivalent to (n3 + 2n) + (2n3 - n) (Points : 2)
n3 + 4n
3n3 + n
3n3 - n
Stacey Warren - Expert brainly.com
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What are you doing? Stop that.
Some dude keeps spamming the question while I'm trying to answer. Sorry. First he typed 1-7 forward and backwards in separate replies, and then was replying with other things as well.
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Imagine the equation without the parentheses and simplify the equation.
n^3 and 2n^3 can be added together because they are the same variable and the same exponent
2n and n can also be combined because they are also the same variable and exponent (implied exponent of 1)
So your new equation would be:
(n^3 + 2n^3) + (2n +-n)