Question

4x4+4x3-9x2-x+2 = x-1

Answer 1

x= 13/2

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