Pomóżcie z matematyki jedno zadanie za 10 punktów pliss

a) p(p-9)p^2= (p^2-9 p)p^2= p^4-9 p^3 b) q^2(2q+3)p= q^2(2qp+3p)= 2 q^3 p + 3 p q^2 c) ab(a-2b)= a^2 b - 2 a b^2 d) (2v-6 v^2)*5v^3= 10 v ^4 - 30 v^5 e) -3 p^3 (1/9p+1/6p^2)= -1/3 p^4 - 1/2 p^5 f) u^2 v (2u^2+uv)= 2 u^4 v + u^3 v^2 g) (9-2w)(-3w)= -27w + 6 w^2 h) -u(u^2+1) 2 u^2= -u (2 u^4 + 2 u^2)= -2 u^5 - 2 u^3 i) ab^2(a^2+b)*b^3= (a^3 b^2+ ab^3) b^3= a^3 b^5 + a b^6