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10 July, 02:30

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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  1. 10 July, 04:59
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    3 (-2) + 7 (2) = 8

    (-3) (-3) + (-1) (1) = 8

    yes
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