Answer
$-4(x-1)(12x-1)$
Work Step by Step
$-4+52x-48x^{2}=-48x^{2}+52x-4$
$-48x^{2}+52x-4=-4(12x^{2}-13x+4)$
$12x^{2}-13x+4=(x-1)(12x-1)$
$-4(x-1)(12x-1)$
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