Respuesta :
(5x^2 - 7)(5x^2 + 7)
(5x^2)^2 - 7^2
25x^4 - 49
Answer:
25x^4 - 49
Hope this helps.
(5x^2)^2 - 7^2
25x^4 - 49
Answer:
25x^4 - 49
Hope this helps.
Answer:25x^4 - 49
Step-by-step explanation:
5x^2 - 7)(5x^2 + 7)
(5x^2)^2 - 7^2
25x^4 - 49