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Schrodinger
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Let me first ask, do you know how positives and negatives multiply? This is pretty basic so what exactly do you know about multiplication?
aaron94
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i just have a hard time with the negatives
Schrodinger
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No problem, so what would six times four be then? (6)(4). Just ignore the negative sign for the moment.
aaron94
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24
ajprincess
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(-)*(-)=(+)
(-)*(+)=(-)
Schrodinger
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Then, since it's a negative number, it would literally just be the negative of that. So (6)(-4) = -24.
aaron94
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but its (-6)(4)?
aaron94
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Thanks @ajprincess. that really helped... you too Schrodinger
ajprincess
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You are welcome @aaron94
Schrodinger
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Yup, it's \[(-6)(4) = -24.\]
aaron94
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what about (-50) ÷ (-2)?
Schrodinger
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When you divide a negative number by a negative number, it's what's commonly referred to as a "double negative", and the number comes out positive. So \[(-50)\div(-2) = (50)\div(2)\]
So just divide 50 by 2. WHat do you get?
aaron94
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25
ajprincess
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(-)/(-)=(+)
(-)/(+)=(-)
(+)/(-)=(-)
(+)/(+)=(+)
ajprincess
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U are right. That's the answer.
aaron94
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thanks @ajprincess those are really good notes
aaron94
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what about a (+) * (-)
ajprincess
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It will be (-)
aaron94
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ok thanks :)
ajprincess
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(+)*(+)=(+)
yw
Ahmed.53
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-24