Question

findout (3x²+5y² (3x²-5y²)​

Answer 1

Step-by-step explanation:

$= (3 {x}^{2} + 5 {y}^{2} )(3 {x}^{2} - 5 {y}^{2} ) \\ \\ = {(3 {x}^{2}) }^{2} - {(5 {y}^{2} )}^{2} \\ \\ = 9 {x}^{4} - 25 {y}^{4}$