Question

(3a-2)(3a+2) и (c-2b) (c+2b) преобразовать в многочлен

Answer 1

(3a-2)(3a+2) = 9а^2 - 4
(c-2b)(c+2b) = c^2 - 4b^2

Answer 2

(3а)²-2²
9а²-4
___
с²-(2b)²
с²-4b²