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If $$\frac{x^{2}-16}{x^{2}+6x+8}$$=y, and x > -2, which of the following is an expression for x in terms of y?
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A.$$\frac{1+y}{2-y}$$
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B.$$\frac{2y+4}{1-y}$$
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C.$$\frac{4y-4}{y+1}$$
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D.$$\frac{2y-4}{2+y}$$
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E.$$\frac{y+4}{y+1}$$
B显示答案
