volume_mute

Multiply

publish date2023/05/29 00:40:00 GMT+10

Please keep the order and numbers to come before variables 

\(6 \left( \frac{x}{3} + \frac92 \right) \)

volume_mute

Correct Answer

$2x+27$

Explanation

  • Distribute the multiplication by 6
    • \(6 \left( \frac{x}{3} + \frac92 \right) \) = \( 6 \cdot \frac{x}{3} + 6 \cdot \frac92 \)
  • Factor 6 as 2 • 3 and then remove the common factors 3 and 2
    • = \( \require{cancel} \frac{2 \cdot \cancel{3}^1 \cdot x}{\cancel{3}_1} + \frac{\cancel{2}^1 \cdot 3 \cdot 9}{\cancel{2}_1} \)
    • = 2+ 27

Reference

Mathematics for college students


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