Question
Simplify the expression $2 – 8x + 4x + 4$ and find its value if $x = 3.$

Answer

$=2 – 8x + 4x + 4$
$= 4x – 8x + 2 + 4 [$rearranging terms$]$
$= –4x + 6 = – 4(3) + 6$
$= –12 + 6= -6$

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