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anonymous

  • 5 years ago

please will someone tell me if this is correct (4x^2-3x+7)-(-3x^2+4x-6) 4x^2-3x+7 -3x^2+4x-7 -------------- 7x^2-x+13 7x^2=(7x)(x) 13=(-1)(-13) 7(x-1)(x-13)

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  1. anonymous
    • 5 years ago
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    yo him

  2. anonymous
    • 5 years ago
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    I posted my question

  3. chaise
    • 5 years ago
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    This is half way there.. Have a look at your method of subtraction. A negative minus a positive equals a negative. 7x^2- 7x +13. This can then be factorised down some more if need be.

  4. anonymous
    • 5 years ago
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    so then the answer would be 7x^2-7x+13?

  5. chaise
    • 5 years ago
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    Correct. :)

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