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Expanding brackets

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Concept 1 of 3 · no score 🙂

Everything inside gets multiplied

The outside number multiplies EVERY term inside4(n+3)=4n+124 × n = 4n and 4 × 3 = 12forget the second arrow and the whole answer is wrong
With a minus inside, the sign stays: 2(x − 5) = 2x − 10.
  1. 14(n + 3) means 4 × (n + 3).