Simplify the complex fraction Start Start Fraction Start Fraction x over x plus 4 End Fraction Over Over Start Fraction 1 over x End Fraction plus Start Fraction 1 over x plus 4 End Fraction End End Fraction.
A. Start Fraction lower x superscript 2 baseline over 2 lower x End Fraction
B. Start Fraction lower x superscript 2 baseline over lower x plus 4 End Fraction
C. Start Fraction lower x superscript 2 baseline plus 2 lower x plus 4 over 2 lower x plus 4 End Fraction
D. Start Fraction lower x superscript 2 baseline over 2 lower x plus 4 End Fraction
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B. Start Fraction x squared over x + 4 End Fraction
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