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anonymous

  • 5 years ago

Need help with the middle peice here... P(x) = 4x3 − 5x2 − 5x − 6 expressed in the form (divisor)(quotient) + remainder for the divisor is (x+3)(__?__)+144.

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  1. amistre64
    • 5 years ago
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    How many times does x+3 go into P(x)?

  2. amistre64
    • 5 years ago
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    4x^2 -17x+ 46 ----------------------- x+3 | 4x^3 − 5x^2 − 5x − 6 -12x^2 ------------ -17x^2 -5x 51x ---------- 46x -6 -138 --------- -144 either you have a typo or i do

  3. anonymous
    • 5 years ago
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    i got the same answer, but i need to fill in the (__?__) spot. I can't figure what i am doing wrong

  4. amistre64
    • 5 years ago
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    (4x^2 -17x+ 46) IS the blank spot, or should be. Since the +144 is on the end there if might mean somthing different; try using wolframalpha.com

  5. anonymous
    • 5 years ago
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    i think i know what i did.. i left it as 4x^3 instead of to the 2nd

  6. amistre64
    • 5 years ago
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  7. anonymous
    • 5 years ago
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    Thanks once again for your help Amistre.. I was making the equation 4x^3 instead of 4x^2 fixed that and got my answer

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