Решите срочно!!!!!!!!!!!!!!!!!!!

Question

Решите срочно!!!!!!!!!!!!!!!!!!!

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Answer 1

3(x^2-25a^2)=3(x-5a)(x+5a)
2a(a^2-y^2)=2a(a-y)(a+y)
5x(-a^2+x^2)=5x(x-a)(x+a)
nc(n^2-c^2)=nc(n-c)(n+c)

a(x^2-4x+4)=a(x-2)^2
-3x(4x^2-4x+1)=-3x(2x-1)^2