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sabrinaandkay

  • 4 years ago

factor 2t^2 + 5t-3

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  1. 101Ryan101
    • 4 years ago
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    (2t-1)(t+3)

  2. sabrinaandkay
    • 4 years ago
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    how do you get that?

  3. 101Ryan101
    • 4 years ago
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    well,

  4. 101Ryan101
    • 4 years ago
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    there's a trick...

  5. sabrinaandkay
    • 4 years ago
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    ???

  6. 101Ryan101
    • 4 years ago
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    since the 2t is out front I know it will be one of the square terms in the factor... then I see the middle term is +5 so I need two numbers that will multiply together to make (-3) and add together to make the +5

  7. 101Ryan101
    • 4 years ago
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    knowing that 2*3x = 6 and -1*x = 5x (something like that) you'll get it after a while...

  8. 101Ryan101
    • 4 years ago
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    some are more difficult than others of course.. late

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