a)2p²(2-p)(p²+2p+4)-16(p-5)(5+p)=4p⁴+8p³+16p²-2p⁵-4p⁴-8p³-16(p²-25)=4p⁴+8p³+16p²-2p⁵-4p⁴-8p³-16p²+400=-2p⁵+400
б)n⁵(2+n²)(n²-2)-(n³-1)(n⁶+n³+1)=n⁵(n⁴-4)-n⁹+1=n⁹-4n⁵-n⁹+1=-4n⁵+1
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a)2p²(2-p)(p²+2p+4)-16(p-5)(5+p)=4p⁴+8p³+16p²-2p⁵-4p⁴-8p³-16(p²-25)=4p⁴+8p³+16p²-2p⁵-4p⁴-8p³-16p²+400=-2p⁵+400
б)n⁵(2+n²)(n²-2)-(n³-1)(n⁶+n³+1)=n⁵(n⁴-4)-n⁹+1=n⁹-4n⁵-n⁹+1=-4n⁵+1