Simplifying products with shared factors

Simplifying products with shared factors

Secondary 2
TGM Original Questions

Expand and simplify each of the following expressions.

  1. \(4x(3x-2)-(3x-2)(2x+5)\)
  2. \((5x+1)(2x-3)+3(5x+1)(x+2)\)
  3. \((7x-4)(3x+2)-2(x-1)(7x-4)\)

Solution:

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Answer:(a) \(6x^2-19x+10\); (b) \(25x^2+20x+3\); (c) \(7x^2+24x-16\).

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