Advanced expansion and simplification

Advanced expansion and simplification

Secondary 2
TGM Original Questions

Expand and simplify each of the following expressions.

  1. \(5p-2(2p+3)(p-1)\)
  2. \(-6b(1-3b)-(2b+1)(5b-4)\)
  3. \(\frac12(4-x)(3x-2)-3(x^2-x-1)\)
  4. \((4d-8)(5d-\frac12)-(2d-6)(\frac13d+2)\)

Solution:

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Answer:(a) \(-4p^2+3p+6\); (b) \(8b^2-3b+4\); (c) \(-\frac92x^2+10x-1\); (d) \(\frac{58}{3}d^2-44d+16\).

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