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beviben

  • 4 years ago

factor by grouping 8c^3+18c^2-56c I factored 56 to 7 and 2 but when i go to double check it does not match what am I doing wrong?

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  1. ChrisV
    • 4 years ago
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    you need to factor out 2c

  2. beviben
    • 4 years ago
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    I did that 2c^2(4c+9c-28)

  3. ChrisV
    • 4 years ago
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    2c(4c^2+9c-28)

  4. ChrisV
    • 4 years ago
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    2c(4c - 7)(c +4 )

  5. beviben
    • 4 years ago
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    factor by grouping oh i think i messed up along the way thanx chris..<3

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