Factors of $49 x^{2} - 36$ are

(7 x - 6)

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(6 x + 7)

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(6 x - 7)

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(7 x + 6)

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Solution

The correct options are
A $(7 x - 6)$
D $(7 x + 6)$
$49 x^{2} - 36$
$= (7 x)^{2} - 6^{2}$
$= (7 x + 6) (7 x - 6)$

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