Упростите выражение: [tex]\frac{x^{3}+27}{x-3}-x^{2}-3x-9[/tex]
afqk
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x³+3³
------- - x²-3x-9 =
x-3
x³+27-(x²+3x+9)(x-3) x³+27-(x³-3x²+3x²-9x+9x-27) 54
= -------------------------- = ------------------------------------- = --------
x-3 x-3 x-3
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afqk
=============================
Verified answer
x³+3³
------- - x²-3x-9 =
x-3
x³+27-(x²+3x+9)(x-3) x³+27-(x³-3x²+3x²-9x+9x-27) 54
= -------------------------- = ------------------------------------- = --------
x-3 x-3 x-3