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PART A
4(2x + 3 + x) = 12x + 12
PART B
6(x + x + 2) is equivalent to 4(2x + 3 + x)
Explanation:DPART A
The given expression is simplified as follows:
[tex]\begin{gathered} 4(2x+3+x)=4\times2x+4\times3+4\times x \\ =8x+12+4x \\ =12x+12 \\ \end{gathered}[/tex]PART B
[tex]\begin{gathered} 12x+12=6(2x+2) \\ =6(x+x+2) \end{gathered}[/tex]Therefore,
6(x + x + 2) is equivalent to 4(2x + 3 + x)