Question

$x 2 - 729$
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Answer 1

$\huge{Solution:}$

$x {}^{2} - 729 \\ = x {}^{2} - 27 {}^{2} \\ using \: identiy \: a {}^{2} - b {}^{2} = (a - b)(a + b) \\ here \: a = x ,\: b = 27 \\ = (x - 27)(x + 27)$

Hope it helps.

Answer 2

Answer:

Step-by-step explanation: