Odpowiedzi

2009-11-18T17:47:02+01:00
(x-4)(x+1)²=x-4*x²+1²=x-4x²+1
4 1 4
2009-11-18T18:48:07+01:00
(x-4)(x+1)² =
= (x-4)(x² + 2x + 1) =
= x³ + 2x² + x - 4x² - 8x - 4 =
x³ - 2x² - 7x - 4
4 5 4