Identify vertical asymptotes in the function, algebra homework help

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Identify vertical asymptotes in the function, algebra homework help

Identify vertical asymptotes in the function below.

f left parenthesis x right parenthesis space equals space fraction numerator x squared space minus space 8 x space plus space 7 over denominator x squared space plus space 2 x space minus space 3 end fraction

A. x = 1, x = -3

B. x = 1

C. x = -3

D. x = 7