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TIMO - 2019 - Grade 9 - Preliminary Round - Paper 3 Question 9

TIMO · TIMO - 2019 - Grade 9 - Preliminary Round - Paper 3

Question 9

If $x^4-8x^3+mx^2-nx+8$ is divisible by $x^2-6x+8$, find $m$.
  1. 20
  2. 21
  3. 22
  4. 23