Add and Subtract Polynomials
Name: Date:
1. When x2+ 3x๎4 is subtracted from x3+ 3x2๎2x,
the di๎erence is
A. x3+ 2x2๎5x+ 4 B. x3+ 2x2+x๎4
C. ๎x3+ 4x2+x๎4 D. ๎x3๎2x2+ 5x+ 4
2. When 6x2๎4x+ 3 is subtracted from 3x2๎2x+ 3,
the result is
A. 3x2๎2xB. ๎3x2+ 2x
C. 3x2๎6x+ 6 D. ๎3x2๎6x+ 6
3. The sum of 8n2๎3n+ 10 and ๎3n2๎6n๎7 is
A. 5n2๎9n+ 3 B. 5n2๎3n๎17
C. ๎11n2๎9n๎17 D. ๎11n2๎3n+ 3
4. The sum of 3x2+ 5x๎6 and ๎x2+ 3x+ 9 is
A. 2x2+ 8x๎15 B. 2x2+ 8x+ 3
C. 2x4+ 8x2+ 3 D. 4x2+ 2x๎15
5. What is the sum of ๎3x2๎7x+ 9 and
๎5x2+ 6x๎4?
A. ๎8x2๎x+ 5 B. ๎8x4๎x+ 5
C. ๎8x2๎13x+ 13 D. ๎8x4๎13x2+ 13
6. Which expression is equivalent to
๎3x(x๎4) ๎2x(x+ 3)?
A. ๎x2๎1 B. ๎x2+ 18x
C. ๎5x2๎6xD. ๎5x2+ 6x
7. When 4x2+ 7x๎5 is subtracted from 9x2๎2x+ 3,
the result is
A. 5x2+ 5x๎2 B. 5x2๎9x+ 8
C. ๎5x2+ 5x๎2 D. ๎5x2+ 9x๎8
8. Subtract 2x2๎5x+ 8 from 6x2+ 3x๎2 and express
the answer as a trinomial.
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