Question

ПОМОГИТЕ!!!!!!!!!!!!!!!

Answer 1

(5-a)(5+a)(25+a²)= (25-a²)(25+a²)= 625-a⁴

(3x+2)(3x-2)(9x²+4)= (9x²-4)(9x²+4)= 81x⁴-16

Answer 2

1) (5-а)(5+а)*(25+а^2)=(25-а^2)*(25+а^2)=625-а^4

2) (3х+2)(3х-2)(9х^2+4)=(9х^2-4)(9х^2+4)=81х^2-16

Answer 3

СПАСИБО