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Mathematics 9 Online
OpenStudy (anonymous):

An algebraic expression has parentheses with unlike terms inside. Explain how to simplify this algebraic expression if a minus sign is in front of the parentheses.

OpenStudy (plainntall):

What does a -sign do? Isn't it like multiplying everything inside by -1?

OpenStudy (anonymous):

i really dont know it a word question

OpenStudy (plainntall):

-(x-y-z+k+i-j) What happens when you bring the minus sign inside the parethesis? Remember it is like multiplying by -1.

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