The correct option is D (x + 6) (x 6) x^2 36 =x^2 6^2 , nbsp;Using a^2 b^2=(a+b)(a b) =(x + 6) (x 6) ...

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Expansion of (x^2 - y^2)

Factorise: x...

Question

Factorise:
$x^{2} - 36$

(x + 6) (2 x - 6)

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(2 x - 6) (x - 6)

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(x + 6) (x - 6)

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(2 x + 6) (x - 6)

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Solution

The correct option is D $(x + 6) (x - 6)$
$x^{2} - 36$
$= x^{2} - 6^{2}$ , Using $a^{2} - b^{2} = (a + b) (a - b)$
$= (x + 6) (x - 6)$

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