added test for easy linear function where the constant gets simplified as well as corresponding functionality

src/main/py/read_math_function.py

@@ -52,6 +52,11 @@ def simplify_easy_math_function(type, function):
         return False
     if is_string(function) is False or is_allowed_string("c", function) is True:
         return simplify_constant("c", function)
+    extracted_function = extract_constant(function)
+    simplified_constant = simplify_constant("c", extracted_function[0])
+    extracted_function[0] = simplified_constant
+    return extracted_function
+
 
 
 def extract_constant(function):

src/test/py/test_read_math_function.py

@@ -46,6 +46,8 @@ class read_function(unittest.TestCase):
         self.assertEqual(extract_constant("42x"), ["0", "42x"])
     def test_extraction_linear_function_constant_with_math_operators(self):
         self.assertEqual(extract_constant("42x+42^(2)+1-3*4/3"), ["42^(2)+1-3*4/3", "42x"])
+    def test_easy_function_linear_constant_gets_simplified(self):
+        self.assertEqual(simplify_easy_math_function("v", "42x+42^(2)+1-3*4/3"), [1761, "42x"])
 
 if __name__ == '__main__':
     unittest.main()