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What should be added to 1+2x-3x^2 to get...

What should be added to `1+2x-3x^2` to get `x^2-x-1`?

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NCERT TELUGU-ALGEBRIC EXPRESSIONS-EXERCISE
  1. Simplify:2x^2+5x-1+8x+x^2+7-6x+3-3x^2

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  2. Find the perimeter of a triangle whose sides are 2a+3b, b-a, 4a-2b

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  3. What should be added to 1+2x-3x^2 to get x^2-x-1?

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  4. Subtract the second expression from the first expression: x+2y+z, -x-y...

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  5. A= 4x^2+y^2-6xy, B= 3y^2+12x^2+8xy, C= 6x^2+8y^2+6xy find A+B+C

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  6. Write the statement using variables, constants and arithmetic operatio...

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  7. Write the statement using variables, constants and arithmetic operatio...

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  8. Write the statement using variables, constants and arithmetic operatio...

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  9. Write the statement using variables, constants, and arithmetic operati...

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  10. Write the statement using variables, constants and arithmetic operatio...

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  11. State whether the expression is a numerical expression or an algebrai...

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  12. State whether the expression is a numerical expression or an algebrai...

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  13. State whether the expression is a numerical or an algebraic expressio...

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  14. State whether the expression is numerical expression or an algebraic e...

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  15. State whether the expression is a numerical expression or an algebraic...

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  16. State whether the expression is numerical expression or an algebraic e...

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  17. State whether the expression is numerical expression or an algebraic e...

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  18. State whether the expression is numerical expression or an algebraic e...

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  19. State whether the expression is numerical expression or an algebraic e...

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  20. State whether the expression is a numerical expression or an algebraic...

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