Question

x-1 is a factor of 2x⁴+9x³+6x²_11x-6​

Answer 1

using factor theorem

x = 1

put value of x

$2 ({1})^{4} +9( {1})^{3} + 6( {1})^{2} .....11(1) - 6 = 0 \\ 2 + 9 + 6.... + 11 - 6 = 0 \\ .... = - 22$

Your question isn't clear so according to my understanding I answered my best that I could