Let y = 7x - 12
7x = y + 12
x = (y + 12)/7
Therefore, f^-1(x) = (x + 12)/7
Both term has factor of x
So that would be x² - 3x = x·x - 3·x = x( x-3 )
You can check by distribute x back to x-3:
x( x-3 ) = x·x - 3·x = x² - 3x. So our answer is correct.
Final answer: x( x-3 )
Hope this helps.
Answer:
x = 66
Step-by-step explanation:

Answer:
314 is the correct answer
Step-by-step explanation:
314 is the correct amswer to 628 ÷ 2, however, the answer to 2 ÷ 628 is invalid and would need to be simplified.