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Practice problem

Computing Determinants of 2×2 or 3×3 Matrices

By Cameron Montag
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∣523x∣=∣x8−13∣\begin{vmatrix} 5 & 2 \\ 3 & x \end{vmatrix} = \begin{vmatrix} x & 8 \\ -1 & 3 \end{vmatrix}

Find xx.

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Type a concept, like “slope” or “photosynthesis”.

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