Problem of the Week

Updated at Jun 27, 2022 1:37 PM

How would you find the factors of \({z}^{2}-2z-3\)?

Below is the solution.



\[{z}^{2}-2z-3\]

1
Ask: Which two numbers add up to \(-2\) and multiply to \(-3\)?
\(-3\) and \(1\)

2
Rewrite the expression using the above.
\[(z-3)(z+1)\]

Done
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