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Factoring: pulling out the greatest common factor — Homework

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Factoring: pulling out the greatest common factor — Homework

Factor each polynomial completely, and check by multiplying back out.

  1. 1.Factor: 9x² + 6x.
  2. 2.Factor: 12x³ - 8x².
  3. 3.Factor: 7x² + 21x.
  4. 4.Factor by grouping: x³ + 4x² + 2x + 8.
  5. 5.Factor by grouping: 3x³ - 9x² + x - 3, and check by expanding.
  6. 6.Why do we always look for a GCF before trying any other factoring method?
🌲 Homeschool for the FutureNinth Grade · Math · week 21 homework