fifeomotoso
fifeomotoso
05-08-2017
Mathematics
contestada
find the smaller root for x^2 -9 =-5
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mrbriandizzleotypko
mrbriandizzleotypko
05-08-2017
x^2-9=-5
x^2-4=0
(x+2)(x-2)=0 [Difference of Two Squares]
x=-2,2
-2 is the smaller root.
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