Problem of the Week

Updated at Jan 13, 2014 9:07 AM

How would you find the factors of \({x}^{2}+7x+12\)?

Below is the solution.



\[{x}^{2}+7x+12\]

1
Ask: Which two numbers add up to \(7\) and multiply to \(12\)?
\(3\) and \(4\)

2
Rewrite the expression using the above.
\[(x+3)(x+4)\]

Done