1) Представьте в виде многочлена
а)(x+3)^2+(2y-1)^2
б)(9-2x)(2x+9)
в)(b+5)^3
г)(3+x)(9-3x+x)^2

2)Решите уравнения
а)36x^2-9=0
б)(3x+2)^2-(2x+5)^2=0
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