Question

value find the value of polynomial 2 x cube + 2 X when X is equals to minus one​

Answer 1

HEY ❤️


$x = - 1$


$p(x) = 2 {x}^{3} + 2x$


$p( - 1) = 2 {( - 1)}^{3} + 2( - 1)$


$\: \: \: = ( - 2) + ( - 2)$



$\: \: \: = - 2 - 2$



$\: \: \: = - 4$



HOPE IT HELPS ❤️