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Subtract - 7p^2qr from - 3p^2qr...

Subtract
`- 7p^2qr` from ` - 3p^2qr`

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NCERT EXEMPLAR-ALGEBRAIC EXPRESSIONS-Exercise
  1. Add the following expressions: 5/8 p^4 +2p^2 + 5/8 , 1/8 - 17 p + 9/...

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  2. Add the following expressions: t-t^2-t^3-14,15t^3+13+9t-8t^2,12t^2-1...

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  3. Subtract - 7p^2qr from - 3p^2qr

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  4. Subtract -a^2-ab " from " b^2 +ab.

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  5. Subtract -4x^2y-y^3 " from " x^3 +3xy^2-x^2y.

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  6. Subtract x^4+3x^3y^3+5y^4 " from " 2x^4-x^3y^3+7y^4.

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  7. Subtract ab-bc-ca " from " -ab+bc+ca.

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  8. Subtract -2a^2-2b^2 " from " -a^2-b^2+2ab.

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  9. Subtract x^3y^2+3x^2y^3-7xy^3 " from " x^4+y^4+3x^2y^2-xy^3.

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  10. Subtract 2(ab+bc+ca) " from " -ab-bc-ca.

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  11. Subtract 4.5x^5-3.4x^2+5.7 " from " 5x^4-3.2x^2-7.3x.

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  12. Subtract 11-15y^2 " from " y^3-15y^2-y-11.

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  13. What should be added to x^3 + 3x^2y + 3xy^2 + y^3 " to get " x^3 + y^3...

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  14. What should be added to 3pq + 5p^2 q^2 + p^3 " to get " p^3 + 2p^2q^2 ...

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  15. What should be subtracted from 2x^3 - 3x^2y + 2xy^2 + 3y^3 " to get " ...

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  16. What should be subtracted from -7mn + 2m^2 + 3n^2 " to get " m^2 + 2mn...

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  17. How much is 21a^3 - 17 a^2 " less than " 89a^3 - 64a^2 + 6a + 16 ?

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  18. How much is y^4 - 12y^2 + y + 14 " greater than " 17y^3 + 34y^2 -51y +...

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  19. How much does 93p^2 - 55p+ 4 " exceed " 13p^3 - 5p^2 + 17p - 90 ?

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  20. To what expression must 99x^3 - 33x^2 - 13x - 41 be added to make the ...

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