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Why is 4(x + 5) equivalent to 4x + 20
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Why is 4(x + 5) equivalent to 4x + 20

User Joya
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1 Answer

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Start by multiplying everything INSIDE the brackets by everything OUTSIDE the brackets:

4(x + 5)

= 4 * x + 4 * 5

Use our rules of operations:

4 * x + 4 * 5

= 4x + 20
User NFern
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