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6. Sheila simplified an expression using the following steps. Which property justifies Step 3?

User Mariy
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1 Answer

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The distributive property of multiplication is represented by the following expression:


a\cdot(b+c)=a\cdot b+a\cdot c

Notice that Sheila uses distributive property to simplify the expression:


\begin{gathered} 5x+4(3+2x) \\ =5x+4\cdot3+4\cdot2x \\ =5x+12+8x \\ =13x+12 \end{gathered}

User Ben Reed
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