To find the remainder, we can use the remainder theorem.
To do this, first we need to set 2x - 1 equal to 0.
2x - 1 = 0
Solve for x.
2x = 1
x = 1/2
Now that we have this value, we can solve for the remainder of this polynomial by replacing each x value with 1/2.
8(1/2)^2 + 4(1/2) - 3 = 1