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  • Algebra and Factorization
  • Factorized form of r2 – 10r + 21 is
Multiple choice

Factorized form of r2 – 10r + 21 is

  1. (r -1) (r -4)

  2. (r -7) (r – 3)

  3. (r -7) (r +3)

  4. (r+7) (r +3)

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

r2 – 10 r + 21 = r2 -7 r – 3r + 21  = (r-7 ) (r-3)  

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