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Subtract : (-2y^2+1/2y-3)\ from7y^2-2y+1...

Subtract : `(-2y^2+1/2y-3)\ `from`7y^2-2y+10.`

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Subtract : `(-2y^2+1/2y-3)\ `from`7y^2-2y+10.`
`=7y^2+2y^2-2y-(1/2)y+10+3`
`=9y^2-(5y)/2+13`
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RD SHARMA-ALGEBRAIC EXPRESSIONS AND IDENTITIES-All Questions
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  2. Add the following algebraic expressions: 2,(2y)/3-(5y^2)/3+(5y^3)/2,-4...

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  3. Subtract : (-2y^2+1/2y-3)\ from7y^2-2y+10.

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  4. Subtract : 3/2x^2y+4/5y-1/3x^2y z\ from \ (12)/5x^2y z-3/5x y z+2/3x^...

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  5. Take away 9/2+x/2+3/5x^2+7/4x^3\ \ \ from\ \ 7/2-x/3-(x^2)/5dot

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  6. Add the algebraic expressions: 3a^2b ,-4a^2b ,9a^2b

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  7. Add the algebraic expressions: 2/3a ,3/5a ,-6/5a

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  8. Add the algebraic expressions: 4x y^2-7x^2y ,\ 12 x^2y-6x y^2,\ -3x^2...

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  9. Add the algebraic expressions: 3/2a-5/4b+2/5c ,2/3a-7/2b+7/2c ,5/3a+5...

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  10. Add the algebraic expressions: (11)/2x y+(12)/5y+(13)/7x ,\ -(11)/2y-...

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  11. Add the algebraic expressions: 7/2x^3-1/2x^2+5/3,3/2x^3+7/4x^2-x+1/3,...

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  12. Subtract: -5x y from 12 x y

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  13. Subtract: 2a^2from-7a^2

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  14. Subtract: 2a-b from 3a-5b

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  15. Subtract:  2x^3-4x^2+3x+5 from 4x^3+x^2+x+6

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  16. Subtract: 3/2x-5/4y-7/2z\ from2/3x+3/2y-4/3z

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  17. Subtract: x^2y-4/5x y^2+4/3x y\ from2/3x^2y+3/2x y^2-1/3x y

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  18. Subtract: (a b)/7-(35)/3b c+6/5a c\ from3/5b c-4/5a c

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  19. Take away : 6/5x^2-4/5x^3+5/6+3/2x from (x^3)/3-5/2x^2+3/5x+1/4

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  20. Take away : (5a^2)/2+(3a^3)/2+a/3-6/5\ from1/3a^3-3/4a^2-5/2

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