Answer:
x=3.561 and x= -0.561
Step-by-step explanation:
this expression X Factor is using the simple method so you have to use the method of completing Square so in this case 2x squared - 3 x - 4 equals the soul take the constant which is 4 across the equal to sign to get to x square - 3 x equal to 4 so now you'll then use the method of completing the square to complete the solution