Надо решить примеры) (6+y)² =
(x+4y)² =
(1-3a)² =
(5a+2b)² =
(3+y)(3-y)=
(2x+5)(2x-5)=
(2x+3y)(2x-3y)=
b² +14b+49=
x² -10x+25=
4x² +16x+16=
16a² -24a+9=
a⁴+2a²+1=
x²-25=
49x²-25y²=
x³-8y³=
27x³+y³=
Заранее спасибо!:*
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