Question

factorise x^2y^2 + 6xy + 9z^2​

Answer 1

Answer:

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Step-by-step explanation:

According to your question it is,

$= \textsf {x}^{2} \textsf {y}^{2} - 6xyz + \textsf {9z}^{2}$

Factorisation of,

$= \textsf {x}^{2} \textsf {y}^{2} - 3xyz - 3xyz + \textsf {9z}^{2}$

$= xy(xy - 3z) - 3z(xy - 3z)$

$= (xy - 3z)(xy - 3z)$

$= {(xy - 3z)]}^{2}$

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