Answer
$(4h+7)(4h-7)$.
Work Step by Step
The given polynomial is
$=16h^2-49$
Write as square terms.
$=(4h)^2-7^2$
Use special formula $a^2-b^2=(a+b)(a-b)$.
$a=4h$ and $b=7$
$=(4h+7)(4h-7)$.
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