Evaluate \(\begin{vmatrix}8x+1&2x-2\\x^2-1&3x+5\end{vmatrix}\).

1.	Evaluate \(\begin{vmatrix}8x+1&2x-2\\x^2-1&3x+5\end{vmatrix}\).
A.	-2x3-26x2+45x+3
B.	-2x3+26x2+45x+3
C.	-2x3+26x2+45x-3
D.	-2x3-26x2-45x+3
Answer» C.

Discussion

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Evaluate \(\begin{vmatrix}2&5\\-1&-1\end{vmatrix}\).