The * operator multiplies two integers in ℤ/pℤ or two polynomials in ℤ/pℤ[x]. (See also Section 7.3.2.) For polynomial expressions, use the normal command to simplify.
For integers in ℤ/pℤ:
31%13*10%13 |
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For polynomials with coefficients in ℤ/pℤ:
normal((11*x+5)%13*(8*x+6)%13) |
or:
normal((11%13*x+5%13)*(8%13*x+6%13)) |
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