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How much is the sum of (3x^2+4x) and (5x...

How much is the sum of (`3x^2+4x`) and (`5x^2-x`) more than (`3x-5x^2`), calculate.

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NCERT BANGLISH-ALGEBRIC OPERATIONS-Exercise
  1. How much must be added to -8x^2+8x+1 to get -14x^2+11x-3.

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  2. Find, what must be subtracted from -11x-7y-9z to get -7x+3y-5z.

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  3. How much is the sum of (3x^2+4x) and (5x^2-x) more than (3x-5x^2), cal...

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  4. Subtract the sum (x^2-9x) and (-2x^2+3x+5) from the sum of (5+9x) and ...

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  5. If x=5 find the value of the algebraic expressions: 6x+11.

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  6. If x=5 find the value of the algebraic expressions: x/5+2

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  7. If x=5 find the value of the algebraic expressions: x^2+2x-1.

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  8. If x=5 find the value of the algebraic expressions: x^3+8.

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  9. If x=5 find the value of the algebraic expressions: 10-x.

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  10. If y=-3, find the value of the algebraic expressions: y+5/4.

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  11. If y=-3, find the value of the algebraic expressions: 5-y.

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  12. If y=-3, find the value of the algebraic expressions: y+8.

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  13. If y=-3, find the value of the algebraic expressions: y^2+2y+3.

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  14. If y=-3, find the value of the algebraic expressions: y^3-1.

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  15. Find the value of the 2x+7y, when x=2, y=-1

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  16. Find the value of the x^2+y^2, when x=2, y=-1

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  17. Find the value of the x^2+7xy+y^2, when x=2, y=-1

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  18. Find the value of the x^3-8y^3, when x=2, y=-1

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  19. Find the value of the x/9+y/4, when x=2, y=-1

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  20. Find the product of the 7, 2x

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