Problem
\[ 11: 56 \] - Classroom Khan Academy Unit test Which expressions are equivalent to \[ 3 x+3(x+y) ? \] Choose all answers that apply: A \( 6 x+3 y \) B] \( 3(x+x+y) \) c] \( 3 x y \)
Solution
Step 1 ：Distribute the \(3\) to the terms inside the parenthesis: \(3x + 3x + 3y\)
Step 2 ：Combine like terms: \(6x + 3y\)
