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# How do you factor using two m squared minus eight?

Updated: 11/4/2022

Wiki User

14y ago

2m^2 - 8 = 2(m^2 - 4) = 2(m-2)(m+2).

A difference of squares, x^2 - y^2 say (or m^2 - 2^2 above), factorises as (x - y)(x + y).

Wiki User

14y ago

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