Ally819 Ally819

26-01-2017
Mathematics

contestada

Explain the role of zero pairs when simplifying and algebraic expression using algebra tiles. Use a mathematical property to justify your answer

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Nirina7 Nirina7

03-02-2017

the zero pairs numbers are two numbers whose sum are zero,the negative and positive number are used to create zero pairs in equation.
example
+2, -2 are zero pairs, because +2 +(-2)=0

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