x^3-8 = (x-2)(x^2 + 2x + 4)
x^2 + xy - 2x - 2y = (x-2)(x+y)
so, the fraction is
x^2+2x+4
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x+y
as long as x-2 and x+y are not zero
Simplify the rational expression and write the restriction for the simplified rational expression.
x^3 - 8
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x^2 + xy - 2x - 2y
2 answers
-6x+5=47 x