Simplify completely: the quantity 8 times x to the third power plus 6 times x to the 2nd power minus 4 times x all over negative 2 times x

a.−4x^2 − 3x + 2

b.−4x^2 + 3x + 2

c.4x^4 + 3x^3 − 2x^2

d.4x^2 + 6x^2 − 4x