Question

$( 5x​ + 3y​^2) (5x​ - 3y​^2)$
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Answer 1

Step-by-step explanation:

$(5x + 3 {y}^{2} )(5x - 3 {y}^{2} )$

$= ( {5x)}^{2} - ( { {3y}^{2}) }^{2}$

$= 25 {x}^{2} - 9 {y}^{4}$