Expanding brackets means multiplying everything inside the bracket by the letter or number outside the bracket. For example, in the expression \(3(m + 7)\) both \(m\) and 7 must be multiplied by 3: ...
Brackets in algebra are used to show when a calculation has been repeated. The number outside the brackets shows how many times the calculation has been repeated. STEP 1 - Multiply out this bracket.
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