Video Transcript
Which of the following expressions is equivalent to four multiplied by three π₯ plus two? Is it A) 12π₯ plus eight? Is it B) 12π₯ plus two? Is it C) 14π₯, D) 20π₯, or E) three π₯ plus eight?
In order to expand or multiply out a bracket, we need to multiply every term outside of the bracket by each of the terms inside the bracket. In this case, we need to multiply four by three π₯ and then multiply four by two. Four multiplied by three π₯ is equal to 12π₯, and four multiplied by two is equal to eight. This means that four multiplied by three π₯ plus two is equal to 12π₯ plus eight. The expression that is equivalent to four multiplied by three π₯ plus two is A) 12π₯ plus eight.
