Polynomial synthetic division: Difference between revisions

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Solving this the easy way:
 
<lang J> psd=: [:(}. ;{.) ([ (] -/@,:&}. (* {:)) ] , %&{.~)^:(>:@-~&#)~</lang>
(1, (-12), 0, -42) psd (1, -3)</lang>
 
Task example:
 
<lang J> (1, (-12), 0, -42) psd (1, -3)</lang>
<lang J>┌────────┬────┐
│1 _9 _27│_123│
└────────┴────┘
6,962

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