Posted by jame on Sunday, December 5, 2010 at 2:56pm.
1-5=-4m^2
-4=-4m^2
Dividing by -4 on both sides
we have:
(-4)/(-4)=(-4m^2)/(-4)
1=m^2
Take the square root of both
sides we have:
sqrt(1)=sqrt(m^2)
1=m or
m=1
Hope this helps.
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