SOLUTION: Solve the following equation. |0 0 -1| |3 x 0 | = x^2 |2 0 3 | Please help! I have no idea how to do this!

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Question 762565: Solve the following equation.
|0 0 -1|
|3 x 0 | = x^2
|2 0 3 |
Please help! I have no idea how to do this!

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

|0 0 -1|
|3 x 0|=
|2 0 3|
use the rule
|a b c|
|d e f|= =a(ei-hf)-d(bi-hc)+g(bf-ec)
|g h i|
so,





or
check:


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