x2 + 9xy + 14y2
To factor quadratic equation with two variables, you must find factors of the form x + py and x + qy.
First, find the signs of the factors needed.
The factors 7 and 2 have a sum of 9, so 7 and 2 are the correct values of p and q
= x (x + 7y) + 2y ( x + 7y)
Directions: Answer the following questions. Also write at least 5 examples of your own.