Вправи 601 - 700 » 644

Перетворіть у многочлен вираз: 1) (–x + 1)2 = (x – 1)2 = x2 – 2x + 1; 2) (–m – 9)2 = (m + 9)2 = m2 + 18m + 81; 3) (–5a + 3b)2 = (5a – 3b)2 = 25a2 – 30ab + 9b2; 4) (–4x – 8y)2 = (4x + 8y)2 = 16x2 + 64xy + 64y2; 5) (–0,7c – 10d)2 = (0,7c + 10d)2 = 0,49c2 + 14cd+ 100d2; 6) (–4a2 + 1/8ab)2 = (4a2 – 1/8ab)2 = 16a4 – a3b + 1/64a2b2.