Video: Expanding Single Bracket Expressions

Expand 12(3𝑥 + 8).

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Video Transcript

Expand 12 multiplied by three 𝑥 plus eight.

In order to expand the parenthesis, we need to multiply everything that is outside of the bracket, in this case 12, by each of the terms inside the bracket, the three 𝑥 and the eight. 12 multiplied by three 𝑥 is equal to 36𝑥, as 12 multiplied by three is 36. 12 multiplied by eight is equal to 96. This means that the expansion of 12 multiplied by three 𝑥 plus eight is equal to 36𝑥 plus 96.

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