Answer:
6
Step-by-step explanation:
Answer:
The answer is 37 200.
Step-by-step explanation:
The steps are :
x² - y² = (x + y)(x - y)
193² - 7² = (193 + 7)(193 - 7)
= (200)(186)
= 37 200
Answer:20
Step-by-step explanation: If you have a calculator its easy