Question

%7B2%7D%20-%207%20%7By%7D%5E%7B2%7D%29%20%20" id="TexFormula1" title="(5 {x }^{2} + 2 {y}^{2} ) \times (3 {x}^{2} - 7 {y}^{2}) " alt="(5 {x }^{2} + 2 {y}^{2} ) \times (3 {x}^{2} - 7 {y}^{2}) " align="absmiddle" class="latex-formula">
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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!