Problem
ALG-B1-M02-P002 Grouping Four Terms
#2
★☆☆☆☆ Level 1 of 5
Factor \(ab+ac+bd+cd\).
Group the first two and last two terms.
We have \(ab+ac+bd+cd=a(b+c)+d(b+c)\).
Factoring out \(b+c\), we get \((a+d)(b+c)\).
Checks whether the student can create a common factor.