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wade123

  • one year ago

HELP WITH AN ALGEBRA QUESTION

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  1. wade123
    • one year ago
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    @pooja195 please help!! my last question!

  2. welshfella
    • one year ago
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    the tricky part here is the second parentheses - you need to distribute -1 over the contents of this parentheses

  3. rvc
    • one year ago
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    when u open the brackets the sign will change

  4. welshfella
    • one year ago
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    (6x^3 - 9x^2 +7x-7)- (2x^3-10x^2-9x+9) = 6x^3 - 9x^2 + 7x - 7 - 2x^3 + 10x^2 - can you complete this line?

  5. welshfella
    • one year ago
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    note that -1 * -10x^2 = + 10x^2

  6. rvc
    • one year ago
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    correct @wade123 All the best

  7. welshfella
    • one year ago
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    yes

  8. wade123
    • one year ago
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    thank you !

  9. welshfella
    • one year ago
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    there is an error in the last 2 terms

  10. welshfella
    • one year ago
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    = 6x^3 - 9x^2 + 7x - 7 - 2x^3 + 10x^2 + 9x - 9 = 4x^3 + x^2 + 16x - 16

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