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Why a negative times a negative is a positive | Pre-Algebra | Khan Academy
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Why a negative times a negative is a positive | Pre-Algebra | Khan Academy
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Algebra - expanding and simplifying brackets

4 Views • 02/23/24
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This algebra lesson looks at how to easily expand expressions in brackets and simplify the result. Another easy math lesson.

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Why a negative times a negative is a positive | Pre-Algebra | Khan Academy
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