Message: Uncaught TypeError: Argument 1 passed to MathPHP\Algebra::gcd() must be of the type int, null given, called in /home/nenunoco/uniteasy.com/application/modules/Solver/Helper/Mathphp/src/Algebra.php on line 109 and defined in /home/nenunoco/uniteasy.com/application/modules/Solver/Helper/Mathphp/src/Algebra.php:28 Stack trace: #0 /home/nenunoco/uniteasy.com/application/modules/Solver/Helper/Mathphp/src/Algebra.php(109): MathPHP\Algebra::gcd(NULL, NULL) #1 /home/nenunoco/uniteasy.com/application/modules/Solver/Helper/Mathphp/src/U.php(1365): MathPHP\Algebra::GcdOfArray(Array, 0) #2 /home/nenunoco/uniteasy.com/application/modules/Solver/Helper/Mathphp/src/U.php(514): MathPHP\U::cancel_gcd(Array) #3 /home/nenunoco/uniteasy.com/application/modules/Solver/Helper/Mathphp/src/Functions/CubicEquation.php(2817): MathPHP\U::getcbrt(Object(stdClass), Array) #4 /home/nenunoco/uniteasy.com/application/modules/Solver/Helper/Mathphp/src/Functions/CubicEquation.php(2615): MathPHP\Functions\CubicEquation->imagine_root(Array, 1,