преобразуйте в многочлен
1) (a+4)^2
2) (3y-c)^2
3) (2a-5)(2a+5)
4)(x^2+y)(x^2-y)
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преобразуйте в многочлен
1) (a+4)^2
2) (3y-c)^2
3) (2a-5)(2a+5)
4)(x^2+y)(x^2-y)
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Answers & Comments
1)=a^2+8a+16
2)=9y^2-6yc+c^2
3)=4a^2-25
4)=x^4-y^2