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25-02-2017
Mathematics

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Is 3(–2) + 7(2) equivalent to (–3)(–3) + (–1)(1)? Let negative numbers be represented with a "–" symbol and positive numbers be represented by "+" symbol. Use a pictorial model to justify your answer.

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SyntaxError SyntaxError

25-02-2017

3(-2) + 7(2) = 8
(-3)(-3) + (-1)(1) = 8
yes

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