Ответ:
2(c-3)(c+2)-(c+1)³ = 2(с^2+2с-3с-6)-(с³+3с^2+3с+1) = 2с^2+4с-6с-12-с³-3с^2-3с-1 = -с³-с^2-5с-13
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Ответ:
2(c-3)(c+2)-(c+1)³ = 2(с^2+2с-3с-6)-(с³+3с^2+3с+1) = 2с^2+4с-6с-12-с³-3с^2-3с-1 = -с³-с^2-5с-13