\

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\"\"

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The statement is “\"\"

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\"\"          (Product of two same signs is positive)

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\"\"                 (Multiply: \"\")

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\"\"             (Product of different signs is negative)

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\"\"         (Rewrite the\"\")

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\"\"                   (Cancel common terms) \ \

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\"\"                          (Multiply: \"\")

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\"\"

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The product is  – 40

\