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Multiplying and factoring polynomials — Homework

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Multiplying and factoring polynomials — Homework

Check every answer by asking: is this factored COMPLETELY?

  1. 1.Multiply: (x+2)(x^2-2x+4).
  2. 2.Factor x^3+64 (sum of cubes).
  3. 3.Factor by grouping: x^3+3x^2-16x-48.
  4. 4.Factor completely: x^3-4x^2-9x+36.
  5. 5.Why does factoring by grouping only work when the four terms split into two pairs sharing a common binomial factor?
🌲 Homeschool of the FutureEleventh Grade · Math · week 14 homework