Question

(3x^2 +5y^2)(3x^2 -5y^2)

Answer 1

Answer:

Answer is ( 3x^2 - 5y^2 ).

Answer 2

Step-by-step explanation:

$( {a + b)}(a - b) = {a}^{2} - {b}^{2}$

here,a= 3x^2,b=5y^2

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

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