Question

Solve :- 18x²y² - 32
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Answer 1

SOLUTION

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$18 {x}^{2} {y}^{2} - 32 \\ by \: taking \: common \: \: 2 \\2 (9 {x}^{2} {y}^{2} - 16) \\ 2(( {3xy)}^{2} - {4 }^{2} )\\ by \: using \: the \: formula \: of \: {x}^{2} - {y}^{2} \\ 2(3xy - 4)(3xy + 4)$

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