Question

Преобразуйте в многочлен!!!! (a-3b)(a+3b)+(2b+a)(a-2b)!!!
(p+q)(q-p)(q^2+p^2)

Answer 1

a^2 - 9b^2 + ( a + 2b)(a - 2b) = a^2 - 9b^2 + a^2 - 4b^2 = 2a^2 - 13b^2

(q^2 - p^2)(q^2 + p^2) = q^4 - p^4