I believe the GCF would be 2n
The answer is , because i searched it up
Answer:
Top row: [1 0 0 | 650}
Middle row: [0 1 0 | -400]
Bottom row: [0 0 1 | -1100]
Step-by-step explanation:
When you put an augmented matrix in RREF for, you have to have only 1's diagonal and 0's everywhere else on the left side of the bar.
They drop the parenthesis then they added the 2 equations in the numerator the divided the sum of two bye the denominator