Question

help pls

Answer 1

Need to find the determinant of the matrix, I believe

Answer 2

This is how, with an example https://www.shodor.org/unchem/math/matrix/determinant.gif

Answer 3

Try finding the determinant of that matrix in your Q, then setting it equal to 2x+50.

Answer 4

Determinant of \(\begin{bmatrix}a&b\\c&d\end{bmatrix} = ad - bc\)

Answer 5

@TheSmartOne Thank you for correcting the pic i posted; i realized they spelled it wrong (c*b instead of bc). All your effort to correct their spelling is greatly appreciated.

Answer 6

Not only that! They wrote det for determinant! Det could stand for something like Detroit. So I just had to clarify it. ;)

Answer 7

Anyways, we're just waiting on you @adobohobo (:

Answer 8

\[\left[\begin{matrix}\text{ ah}& \text{makes} \\ \text{perfect} & \text{of course}\end{matrix}\right] = \text{ah}*\text{of course}-\text{makes}*\text{perfect sense} \]

Answer 9

\[\left[\begin{matrix}\text{ Where}& \text{did} \\ \text{he} & \text{go}\end{matrix}\right] = \text{Where}*\text{go}-\text{did}*\text{he} \]

Answer 10

Asker went offline. Oh well. xD

Answer 11

You should redo that matrix...

Answer 12

Yours is messed up LOL

\(\color{blue}{\text{Originally Posted by}}\) @agent0smith
\[\left[\begin{matrix}\text{ ah}& \text{makes} \\ \text{perfect} & \text{of course}\end{matrix}\right] = \text{ah}*\text{of course}-\text{makes}*\text{perfect sense}\]
\(\color{blue}{\text{End of Quote}}\)

You brought in "sense" magically from no where LOL

Answer 13

LOL that's cos i re-wrote it and forgot the damn word