How do you factor y= x^2 - 7x + 10y=x2−7x+10 ?
1 Answer
Dec 22, 2015
Explanation:
Our goal is to think of two numbers that multiply to give
One pair of number sounds particularly good;
For a simple quadratic like this one we can insert these numbers into an expression of the form
where
Thus, we get
To confirm this, apply FOIL.
which reduces to
