Respuesta :
Answer: 53x^7
Step-by-step explanation:
Subtracting a negative is like adding.
53x^7 is the answer.
Since two negatives equal a positive 42 +11 = 53, so just add the exponent back which would be 53x^7.
Since two negatives equal a positive 42 +11 = 53, so just add the exponent back which would be 53x^7.