Представьте трёхчлен в виде квадрата двучлена:
а) 4+4а+а^{2}
б) а^{2}-8аb+16b^{2}
в)12х+х^{2}+36
г)16х^{2}-24ху+9у^{2}

Упростите выражения:
а) (2х-5)^{2}+20х
б)36с-3(1+6с)^{2}
в)(6а+2b)^{2}-24ab
б)-6х^{3}-3(х^{3}-1)^{2}

 

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