Question

2. Разделите многочлен на множители: a) x3 -16y3 =
b) (2a - 3b) -(2a+3b)" =
c) 121-(2a+7y)2

Answer 1

$x \times 3 - 16y \times 3 = x \times 3 - 48y = 3(x - 16y)$

$(2a - 3b) - (2a + 3b) = 2a - 3b - 2a - 3b = - 6b$

$121 - (2a + 7y)2 = 121 - (4a + 14y) = 121 - 4a - 14$