Упростите выражение:
1) (x-2)(x²+2x+4)-(1+x)(x⅔-x+1)
2) (x-3)(x²+3x+9)-x(x+1)(x-1)
3) a(a-3)(a+3)-(a+2)(a²-2a+4)
4) (a²-1)(a²+1)(a^48+1)(a¹²+1)(a²⁴+1)(a⁴-a²+1)(a⁴+a²+1)
1) (x-2)(x²+2x+4)-(1+x)(x⅔-x+1)
2) (x-3)(x²+3x+9)-x(x+1)(x-1)
3) a(a-3)(a+3)-(a+2)(a²-2a+4)
4) (a²-1)(a²+1)(a^48+1)(a¹²+1)(a²⁴+1)(a⁴-a²+1)(a⁴+a²+1)
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Answers & Comments
x^3-27-x(x^2-1)
x^3-27-x^3+x
-27+x
3) a(a-3)(a+3)-(a+2)(a²-2a+4)
a(a^2-9)-(a^3+8)
a^3-9a-a^3-8
-9a-8