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Subtract: 2x^(2)-5x-3 from 4+x-3x^(2)....

Subtract: `2x^(2)-5x-3` from `4+x-3x^(2)`.

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To solve the problem of subtracting \(2x^2 - 5x - 3\) from \(4 + x - 3x^2\), we will follow these steps: ### Step 1: Write the expression for subtraction We need to subtract \(2x^2 - 5x - 3\) from \(4 + x - 3x^2\). This can be written as: \[ (4 + x - 3x^2) - (2x^2 - 5x - 3) \] ### Step 2: Distribute the negative sign When we subtract the second expression, we need to change the signs of each term in the expression \(2x^2 - 5x - 3\): \[ 4 + x - 3x^2 - 2x^2 + 5x + 3 \] ### Step 3: Combine like terms Now we will combine the like terms: - Constant terms: \(4 + 3 = 7\) - \(x\) terms: \(x + 5x = 6x\) - \(x^2\) terms: \(-3x^2 - 2x^2 = -5x^2\) Putting it all together, we have: \[ 7 + 6x - 5x^2 \] ### Final Answer Thus, the result of subtracting \(2x^2 - 5x - 3\) from \(4 + x - 3x^2\) is: \[ -5x^2 + 6x + 7 \] ---
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ICSE-ALGEBRAIC EXPRESSIONS-EXERCISE 13B
  1. Subtract: 2x^(2)-5x-3 from 4+x-3x^(2).

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  2. Add the following expressions: 2x^(2), -5x^(2) - x^(2), 6x^(2)

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  3. Add the following expressions: x^(2)-2xy+3y^(2), 5y^(2)+3xy-6x^(2)

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  4. Add the following expressions: 2x+9y-7z, 3y+z-3x, 3z-4y-x

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  5. Add the following expressions: 2ab+3bc-5ca, 4bc-3ab+7ca, 2ca-ab-5bc

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  6. Add the following expressions: 3x^(3)+2x^(2)-6x+3, 2x^(3)-3x^(2)-x-...

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  7. Add the following expressions: 3n^(2)+5mn-6m^(2), 2m^(2)-3mn -4n^(...

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  8. Add the following expressions: 3z^(3)-z^(2)+5, 1-2z+z^(2), 3+2z-z^(...

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  9. Simplify: 5x+3y-8z+2y-3x+5z+z-7y-2x

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  10. Simplify: 4x^(3)-2x^(2)+5x-1+8x+x^(2)-6x^(3)+7-6x+3-3x^(2)-x^(3)

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  11. Simplify: 2x^(2)+3xy -3y^(2)+x^(2)-xy+y^(2)

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  12. Simplify: 2-3z^(2)+5yz+7y^(2)-8+z^(2)-6yz-9y^(2)+1-2z^(2)-2yz-y^(2)

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  13. Simplify: 2m-3n+5p+2m+n-2p-3m-4n+p

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  14. Two two adjacent sides of a rectangel are 3a-b and 6b-a. Find its peri...

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

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  16. Subtract : 3a-2b +4c from 5a-3b-5c

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  17. Subtract : 5x^(2)-3xy -7y^(2) from 3x^(2)-xy-2y^(2)

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  18. Subtract : 3p^(3)-5p^(2)q from q^(2)+p^(2)q-4p^(3)

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  19. Subtract : ab-bc-ca from 3ab +2bc-4ca

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  20. Subtract : 3z^(2)-2z^(2)+7z -8 from 8-z-z^(2)

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  21. Subtract : 2abc-a^(2)-b^(2) from b^(2)+a^(2)-2abc

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