Multiply binomials using the COLUMN method.

Question

Quizplus · Accepted Answer

The COLUMN method involves multiplying each term in one binomial by each term in the other binomial and adding the like terms. 
Starting with the first term in the first binomial (11e), we multiply it by both terms in the second binomial (7f and 5) to get 77ef and 55e. We combine these like terms to get 77ef + 55e. 
Next, we move onto the second term in the first binomial (3) and multiply it by both terms in the second binomial (7f and 5) to get 21f and 15. We combine these like terms to get 21f + 15. 
Putting it all together, we have the final answer of 77ef + 55e + 21f + 15, which is equivalent to choice C.

Multiply Binomials Using the COLUMN Method