4a^2 8a 1 4a^2-8a+1 (2a-1)^2 2a-1a)= __________ - ________ +______ = _________ =___________ =______ 4a^2-1 4a^2-1 4a^2-1 4a^2-1 (2a-1)(2a+1) 2a+1 16b^2 8b 5 16b^2-8b+5 б)=________ - _______ + ________= __________ 16b^2-1 16b^2-1 16b^2-1
16b^2-1 9с^2 12c 3 9c^2-12c+3 в)=_______ - ________ + ______= __________ 9c^2-4
9c^2-4 9c^2-4
9c^2-4 a^2+b^2 5ab^2 - b
5ab^2 +b a^2+b^2-5ab^2+b-5ab^2-bг)= _______ - ________ - __________ =_______________________ = (a-b)^2
(a-b)^2
(a-b)^2
(a-b)^2 a^2-10ab^2+b^2=______________
(a-b)^2