## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

The formula $(a+b)(c+d) = ab+ad+bc+bd$ is more popularly known as the FOIL method. FOIL stands for: F-first O-outer I-inner L-last FOIL is a device to help people (students in particular) remember how to multiply two binomials. Thus, the given statement is true.