Polynomials, Adding and Subtracting (Grade 9)

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Polynomials, Adding and Subtracting

1. 
[math](-5x^2 + 4y) + (3x^3 - 4x^2 - 2y) =[/math]






2. 
[math](7n^5-3n+4n^2)+(2n^2+5n^5+8n)[/math]






3. 
[math](10p^4+p^3-4p^2-8)-(-12p^4+5p^3-2p+3)[/math]






4. 
[math] (3x^2-4)+(4x^3+2x^2+4x)[/math]






5. 
Subtract the following polynomials:
[math](5x^3-3x^2-2)-(4x^3-x^2-2x+5)[/math]






6. 
Subtract. [math] (7a^2 - 3a) - (5a^2 - 5a)[/math]
  1. [math] 2a^2 - 8a[/math]
  2. [math] 2a^2 + 2a[/math]
  3. [math] 4[/math]
  4. [math]12a^2 - 8a [/math]
7. 
Add or subtract as indicated.


[math](x^3y^2+2x^2y^3-5xy-4)+(x^2y^3-4x^3y^2+2xy+2)[/math]






8. 
[math](-4m - n) - (2m + 3n)[/math]






9. 
Subtract and write the resulting polynomial in descending order of degree.

[math](10y+13)-(-6y+9)[/math]
  1. [math]16y+22[/math]
  2. [math]20y[/math]
  3. [math]-16y-4[/math]
  4. [math]16y+4[/math]
10. 
[math]17a^3b^4 - 12ab^3 - 6a^3b^4 + 15ab^3[/math]
  1. [math]11a^3b^4 + 3ab^3[/math]
  2. [math]5a^3b^4 + 3ab^3[/math]
  3. [math]23a^3b^4 + 27ab^3[/math]
  4. [math]23a^3b^4 + 3ab^3[/math]

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