19-11-2014
Mathematics

contestada

4m²-25 how do you solve this problem I don't understand

Respuesta :

jamiesm jamiesm

19-11-2014

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)

Answer Link

Jamesdoberhol Jamesdoberhol

20-11-2014

4m^2-25 => (ax+b) (ax-b)

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

Answer Link

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