Exercice 00-01
Factoriser chaque expression.
  1. \(4x^2-25\)
  2. \(2x^2+5x-12\)
  3. \(x^3-3x^2-4x+12\)
  4. \(x^2+27x\)
  5. \(3x^{3/2}-9x^{1/2}+6x^{-1/2}\)
  6. \(x^3y-4xy\)
  1. \((2x-5)(2x+5)\),
  2. \((2x-3)(x+4)\),
  3. \((x-3)(x-2)(x+2)\),
  4. \(x(x+27)\),
  5. \(3x^{-1/2}(x-1)(x-2)\),
  6. \(xy(x-2)(x+2)\).