SOLUTION: X squared minus 3x equals 28 by factoring

Question 1061379: X squared minus 3x equals 28 by factoring
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
TRADITIONAL APPROACH:

The factored form will look like this:

You look for a pair of factors of ,
whose product is ,
and whose sum is .
Since and ,
you fill the blanks with and to get
.
So, --->

AN ALTERNATE IDEA:

I am looking for two numbers
whose product is ,
and whose difference is .
works,
and so does .
So,

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