Question

решите пожалуйста срочно

Answer 1

1)7x^2-28=7(x^2-4)=7(x-2)(x+2)
2)3a^3-108a=3a(a^2-36)=3a(a-6)(a+6)
3)3x^4-3x^2y^2=3x^2(x^2-y^2)=3x^2(x-y)(x+y)
4)4m^4*n^2-64m^4p^2=4m^4(n^2-16p^2)=4m^4(n-4p)(n+4p)