Answer
$16x^{2}-16x+4$
Work Step by Step
Step 1: $(4x-2)^{2}=(4x-2)(4x-2)$
Step 2: $4x(4x-2)-2(4x-2)$
Step 3: $4x(4x)+4x(-2)-2(4x)-2(-2)$
Step 4: $16x^{2}-8x-8x+4$
Step 5: $16x^{2}-16x+4$
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