SOLUTION: |x 1 0 1 x 1 2 3 2|=−4x

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Question 1100812: |x 1 0
1 x 1
2 3 2|=−4x
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Calculate the determinant,
x%282x-3%29%2B1%282-2%29%2B0%283-2x%29=-4x
2x%5E2-3x=-4x
2x%5E2%2Bx=0
x%282x%2B1%29=0
Two solutions,
x=0
and
2x%2B1=0
2x=-1
x=-1%2F2