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Kuoministers Group Title

can x^3 + 8 be factorised? if so it is using a3 + b3 = (a + b)(a2 – ab + b2)?

  • 2 years ago
  • 2 years ago

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  1. backpack799 Group Title
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    (x-2)(x^2 + 2x + 4)

    • 2 years ago
  2. Kuoministers Group Title
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    But the question is x^3 + 8 not minus?

    • 2 years ago
  3. hartnn Group Title
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    yes, and your are correct,a=x and b=2

    • 2 years ago
  4. hartnn Group Title
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    *you

    • 2 years ago
  5. Kuoministers Group Title
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    Well i was looking to find it in factored from not the answer

    • 2 years ago
  6. Kuoministers Group Title
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    form*

    • 2 years ago
  7. hartnn Group Title
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    yeah, i didn't give any answer... factored form will be ... ?

    • 2 years ago
  8. hartnn Group Title
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    x^3+2^3 = (...+...)(....-....+...)

    • 2 years ago
  9. hba Group Title
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    Well the formula are as follows, \[a^3 + b^3 = (a + b)(a^2 – ab + b^2)\] \[a^3 - b^3 = (a - b)(a^2 + ab + b^2)\]

    • 2 years ago
  10. Kuoministers Group Title
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    (x+2)(x^2- 2 + 4) Is this right?

    • 2 years ago
  11. hartnn Group Title
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    the 2nd term in 2nd bracket is incorrect.

    • 2 years ago
  12. Kuoministers Group Title
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    i mean 2x opps (x+2)(x^2- 2x + 4)

    • 2 years ago
  13. hartnn Group Title
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    yeah, now correct....

    • 2 years ago
  14. hba Group Title
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    Yeah right

    • 2 years ago
  15. Kuoministers Group Title
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    thanks

    • 2 years ago
  16. hba Group Title
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    Your'e welcome.

    • 2 years ago
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