Question 92 (xxxi) Factorise the following using the identity a2−b2= – InterviewSolution

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Question 92 (xxxi) Factorise the following using the identity a2−b2=(a+b)(a−b). 9x2−(3y+z)2

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Question 92 (xxxi)

Factorise the following using the identity $a^{2} - b^{2} = (a + b) (a - b) .$

$9 x^{2} - (3 y + z)^{2}$

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