#Zad_4
#Bisection_method
def t(x):
    import math
    return 2 * x**3 - 3 * x**2 - 10*x + 25
def granice(xmax,xmin,precision):

    while abs(xmax-xmin)>precision:
        xmid = (xmin + xmax) / 2
        xmidValue = t(xmid)
        if(xmidValue) > 0:
            xmax = xmid
        elif(xmid < 0):
            xmin = xmid
        else:
            return(xmid,xmidValue)
            break
    return(xmid,xmidValue)



granice(float(input("X max : ")),float(input("X min : ")),float(input("Precision : ")))