Ответ:
а) b*(2b-1)*(2b+1)
б) (10xy^2 -3ab^4)*(10xy^2 +3ab^4)
в) (5a+3b)^2
г) -(2x+y)^2
д) (a+3b)*(5a-3b)
е) 48(x+1)
ж) (5ab^3-3c^2d)*(25a^2b^6+15ab^3c2d+9c^4d2)
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Ответ:
а) b*(2b-1)*(2b+1)
б) (10xy^2 -3ab^4)*(10xy^2 +3ab^4)
в) (5a+3b)^2
г) -(2x+y)^2
д) (a+3b)*(5a-3b)
е) 48(x+1)
ж) (5ab^3-3c^2d)*(25a^2b^6+15ab^3c2d+9c^4d2)