Problem
ALG-B1-M02-P003 A Trinomial with Letter Roots
#3
★☆☆☆☆ Level 1 of 5
Factor \(x^2-(p+q)x+pq\).
Find two numbers with sum \(p+q\) and product \(pq\).
The two numbers are \(p\) and \(q\). Therefore \(x^2-(p+q)x+pq=(x-p)(x-q)\).
This is preparation for systems and Vieta's formulas.