Step 1 :Substitute the value of x into the equation: P = 0.37 * 105 - 158
Step 2 :Perform the multiplication: P = 38.85 - 158
Step 3 :Perform the subtraction: P = -119.15
Step 4 :Round the result to the nearest hundredth: P = -119.15
Step 5 :Final Answer: \(\boxed{-119.15}\)