Question

completeing the square
2x^2-3x-1=0

Answer 1

2x^2-3x-1=0
2(x^2-3/2 x) -1 =0
2(x^2 -2.(3/4) x +9/16 -9/16)-1=0
2(x-3/4)^2 -9/8-1=0
2(x-3/4)^2 -17/8 =0
and so on...