Respuesta :
Rewrite y^4 as (y^2)^2
(y^2)^2 + 14y^2 +49
Rewrite 49 as 7^2
(y^2)^2 + 14y^2 +7^2
Factor using the perfect square rule.
Final answer: (y^2 + 7)^2
Rewrite y^4 as (y^2)^2
(y^2)^2 + 14y^2 +49
Rewrite 49 as 7^2
(y^2)^2 + 14y^2 +7^2
Factor using the perfect square rule.
Final answer: (y^2 + 7)^2