To factor -1/3 out of -12, you will need to be able to answer the question: "-1/3 times what number will give you -12?"
To answer this you must divide -12 by -1/3: -12 ÷ -1/3 = -12 x 3/-1 = 36.
You can then write -12 as (-1/3)(36):
To factor -1/3x - 12: = (-1/3)x + (-1/3)(36)
= (-1/3)( x + 36 )
To factor -1/3 out of -12, you will need to be able to answer the question: "-1/3 times what number will give you -12?"
To answer this you must divide -12 by -1/3: -12 ÷ -1/3 = -12 x 3/-1 = 36.
You can then write -12 as (-1/3)(36):
To factor -1/3x - 12: = (-1/3)x + (-1/3)(36)
= (-1/3)( x + 36 )