Distributing monomial factors

Distributing monomial factors

Secondary 2
TGM Original Questions

Expand and simplify each of the following expressions.

  1. \(4(3x^2-2x-6)\)
  2. \(3x(4-5x)\)
  3. \(2x(7x-3)+3x(2-5x)\)
  4. \(5x(2x-1)-2x(4x+3)\)
  5. \(y(4y+5)-3(2y+1)\)
  6. \(3f(2f-5)-2(f^2+4)\)

Solution:

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Answer:(a) \(12x^2-8x-24\); (b) \(-15x^2+12x\); (c) \(-x^2\); (d) \(2x^2-11x\); (e) \(4y^2-y-3\); (f) \(4f^2-15f-8\).

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