Question

16 X power 4 + 20 x square y square + 9 Y power 4

Answer 1

${ {(4x}^{2} )}^{2} + 2( {4x)}^{2} {(3y)}^{2} + {( {3y}^{2} )}^{2} \\ (4x + 3y)(4x - 3y)( {4x}^{2} + {3y}^{2} )$
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