Объяснение:
1) (a-6b)+(a-6b)(a+6b)=(a-6b)(1+a+6b)
2) x^2-(25y^2-10yz+z^2)=x^2-(5y-z)^2=(x-5y+z)(x+5y-z)
3) (4a-1)^2-b^2=(4a-1-b)(4a-1+b)
4) (3m-n)(9m^2+3mn+n^2)-(3m-n)=(3m-n)(9m^2+3mn+n^2-1)
5) (7^n-3^n)^2-1=(7^n-3^n-1)(7^n-3^n+1)
Объяснение:
1) (a-6b)+(a-6b)(a+6b)=(a-6b)(1+a+6b)
2) x^2-(25y^2-10yz+z^2)=x^2-(5y-z)^2=(x-5y+z)(x+5y-z)
3) (4a-1)^2-b^2=(4a-1-b)(4a-1+b)
4) (3m-n)(9m^2+3mn+n^2)-(3m-n)=(3m-n)(9m^2+3mn+n^2-1)
5) (7^n-3^n)^2-1=(7^n-3^n-1)(7^n-3^n+1)