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mStudent002

) PLEASE HELP !!!!! You are asked to tutor a friend in algebra with adding and subtracting trinomials. Create an example of how to add two trinomials and how to subtract two trinomials. Come up with two trinomials and be sure to: a. Write out each step used to complete each addition and subtraction example. b. Show all the steps used to simplify the expressions. c. Provide the resulting degree and classification of each example. d. Explain why the polynomial is or is not closed over addition or subtraction based on the problem provided.

  • 5 months ago
  • 5 months ago

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  1. JuliaSarrazin
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    do you still need help on this?

    • 5 months ago
  2. mStudent002
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    Yes .

    • 5 months ago
  3. mStudent002
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    could you help me ?

    • 5 months ago
  4. JuliaSarrazin
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    Addition: (3x^2+4x-2) + (-7x^2-10x+17) (add each part 3x^2 + -7x^2 = -4x^2 Then 4x + -10x = -6x Then -2+17= 15 So the answer to : (3x^2+4x-2) + (-7x^2-10x+17) is... -4x^2 - 6x + 15 (this is a second degree trinomial)

    • 5 months ago
  5. JuliaSarrazin
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    Subtraction: (3x^2+4x-2) - (-7x^2-10x+17) (subtract each part) - like terms 3x^2 - -7x^2= 10x^2 4x - -10x= 14x -2-17= -19 So the answer to (3x^2+4x-2) - (-7x^2-10x+17) is.... 10x^2 + 14x - 19x (second degree trinomial)

    • 5 months ago
  6. JuliaSarrazin
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    But im not really sure what d is asking...?

    • 5 months ago
  7. mStudent002
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    ok, thank you so much... & I'm not sure what its asking either.

    • 5 months ago
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