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Find the simplified expression of 7x2 – [x2– 3x –{x + y}] – (5x – 3y + 3).

  • a)
    6x2– 2x + 4y + 3

  • b)
    6x2– x + 4y – 3

  • c)
    6x2– 2x – 4y – 3

  • d)
    None of these 

Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Find the simplified expression of 7x2 – [x2– 3x –{x ...
7x2 – [x2– 3x –{x + y}] – (5x – 3y + 3)

= 7x2 – x2 – 3x – x + y – 5x + 3y – 3

= 6x2 – x + 4y – 3
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Most Upvoted Answer
Find the simplified expression of 7x2 – [x2– 3x –{x ...
The simplified expression of 7x^2 is 7x^2, as it cannot be further simplified.
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Find the simplified expression of 7x2 – [x2– 3x –{x + y}] – (5x – 3y + 3).a)6x2– 2x + 4y + 3b)6x2– x + 4y – 3c)6x2– 2x – 4y – 3d)None of theseCorrect answer is option 'B'. Can you explain this answer?
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