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1 Answer
- Anonymous1 decade agoFavorite Answer
2/x + x(x - 4) = 7/(x^2 - 4x)
2/x + x /(x - 4) = 7 / x( x - 4)
now multiply through by x( x - 4)
so x( x - 4) (2/x) + x( x - 4)[ x/( x - 4) ] = x( x - 4)[ 7/x( x - 4) ]
after tidying up we get 2( x - 4) + x^2 = 7
2x - 8 + x^2 -7 = 0
x^2 + 2x - 15 = 0
( x + 5)( x - 3) = 0 => x = -5 x = 3