I got the following error: 

  File "C:\Users\Admin\.spyder-py3\temp.py", line 22, in <module>
    a = newton(p, p_prime,-10, 0)

  File "C:\Users\Admin\.spyder-py3\temp.py", line 15, in newton
    delta = p(x)/p_prime(x)

TypeError: 'Add' object is not callable

 While running the following code: 

import numpy as np
import matplotlib.pyplot as plt
import sympy as sym
acc = 1E-10

x = sym.Symbol('x')
def p(x): #define the function
    return 924*x**6 - 2772*x**5 + 3150*x**4 - 1680*x**3 + 420*x**2 - 42*x + 
1

p_prime = sym.diff(p(x))
print(p_prime)

def newton(p,p_prime, acc, start_val):
    x= start_val
    delta = p(x)/p_prime(x)
    while abs(delta) > acc:
        delta = p(x)/p_prime(x)
        print(abs(delta))
        x =x- delta;
    return round(x, acc);

a = newton(p, p_prime,-10, 0)

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