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mikaa_toxica13

  • one year ago

Choose the correct sum of the polynomials (3x3 − 5x − 8) + (5x3 + 7x + 3). 8x^3 + 2x + 5 2x^3 − 12x − 11 2x^3 + 12x − 5 8x^3 + 2x − 5

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  1. phani09
    • one year ago
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    8x^3+2x-5

  2. ZeHanz
    • one year ago
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    You can add like terms, so any terms with x³ can be added, as can the terms with x.

  3. ZeHanz
    • one year ago
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    @phani09: please do not give a direct answer...

  4. mikaa_toxica13
    • one year ago
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    @ZeHanz is he right ? if he is can u explain ?

  5. phani09
    • one year ago
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    hey u just asked to choose the correct answer....and thats why i did it...

  6. mikaa_toxica13
    • one year ago
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    all i would want is the answer, and then the explaination to back it up. anyone can jus pick an answer coice

  7. mikaa_toxica13
    • one year ago
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    *choice

  8. ZeHanz
    • one year ago
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    OK, so you go and add the terms with x³: 3x³ + 5x³= ... Now add the terms with x: -5x + 7x = ... Now add the constant terms: -8 + 3 = ... Then put everything on one line

  9. ZeHanz
    • one year ago
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    (I got: 8x³+2x-5)

  10. mikaa_toxica13
    • one year ago
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    thank u !

  11. ZeHanz
    • one year ago
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    Welcome!

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