Use the method of Gauss-Jordan elimination (trails—forming (lie augmented matrix into reduced echelon form) to solveProblem in S
ection 3.2In Problems, use elementary row operations to transform each augmented coefficient matrix to echelon form. Then solvethe system by back substitution2x1+4fl—x3—2x4+2x5=6x1+3x2+2x3—7x4+3x5=95x1+8fl—7X3+6x4+x5=4
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Answer:
Step-by-step explanation:
Using the Foil method
you multiply x times x and get
Then you multiply -4 times X and get -4x
Then you multiply -3 times X and get -3x
then you add -4 and -3 together and get -7x
Lastly you multiply -4 and -3 and get 12
And there you have it
