Question

$(5 {x }^{2} + 2 {y}^{2} ) \times (3 {x}^{2} - 7 {y}^{2})$
​

Answer 1

Answer:

$15x^4 - 29x^2y^2 - 14y^4$.

Step-by-step explanation:

(5x^2 + 2y^2) * (3x^2 - 7y^2)

= 15x^4 + 6x^2y^2 - 35x^2y^2 - 14y^4

= 15x^4 - 29x^2y^2 - 14y^4

= $15x^4 - 29x^2y^2 - 14y^4$

Hope this helps!