# Linear congruence

• June 30th 2009, 07:19 PM
streethot
Linear congruence
Solve:

$x^3+5x^2-2x+7\equiv 0(mod 308)$
• July 1st 2009, 05:48 AM
TheAbstractionist
There is no solution because the LHS is always odd and so cannot be a multiple of an even number.