The skill being taught is how to multiply a variable outside a bracket by each term inside a bracket that contains multiple terms connected by addition or subtraction. This involves distributing the outside variable to each inner term.
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Algebra of bracketed terms multiplied by a different variable
Test your understanding of algebra of bracketed terms multiplied by a different variable by practicing it! Work through the below exercises to use it in practice.
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Let's multiply the bracketed term, 5 minus 'X', by the variable outside the bracket, 'N'
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'N' is multiplied by every term in the brackets that are separated by adding or subtracting. So we have 5 'N' minus 'N' times 'X'