What are the x-intercepts of the function fx=-2x2-3x+20 ? -4,0 and 5/2 ,0 - 5/2 ,0 and 4,0 -5,0 and 2,0 -2,0 and 5,0

Write properties of function: x intercept/zero: x_{1} = -4, multiplicity 1; x_{2} = \dfrac{5}{2}, multiplicity 1