Respuesta :

Answer:

x= 13/2

Step-by-step explanation:

multiply   4x4+4x3-9x2-x+2=x-1

calculate   16+12-18-x+2=x-1

move the terms   12-x=x-1

collect like terms calculate   -x-x=-1-12

divide both sides   -2x=-13

solution   x=13/2