Respuesta :

add 25 to both sides to get 4m^2= 25
divide by 4 to give m^2=25/4 (6.25)
square root answer to get m= 5/2 (2.5)
4m^2-25 => (ax+b) (ax-b)

(2m+5) (2m-5)

Otras preguntas