Per il 13/1

Post date: Jan 12, 2017 2:17:10 PM

• • Risolvi le equazioni

    • (x-1)(x+3) + 2x - 2 = 0

    • (x-1)(x²+1) + 5x - 5 = 0

    • 9x² = 25

    • 9(2-x)² = 25

    • x⁵ - 2x⁴ -16x +32 = 0

  • 2x - x³/2 = 0

    • (x²- 2x +1)² + 5 = 0