Use the distributive property to expand and factor simple linear expressions.
Fill in a missing distribution or factoring step
Problem
Distribute \(4\) across \(x~+~3\), then complete the equivalence \(4(x~+~3)~=~4x~+~\text{\_\_\_}\). Report the missing value.
Big Picture
What this problem is really about
The displayed variable term accounts for one of the two products created by distribution. Trace the blank back to the other term inside the parentheses: the outside four must multiply that constant too. Computing that second product completes the equivalence because both parts of the original group have then been represented.
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