Question

Perform the indicated row operation:

2 −1 −4 7
−1 2 1 −1
0 10 8 2
equation
2 −1 −4 7

0 10 8 2

Answer 1

1ST ANSWER

0 10 8 2

2ND ANSWER

0 3 -2 5

Got it right on edg

Answer 2

-1,2,1,-1

3,4,5,5

The other answer is for the question after this one on the edge assignment