Find the real zeros, if any, of each quadratic function using the quadratic formula. List the x-intercepts, if any, of the graph of the function. f(x) = 5x2 - 28x - 12
A. x = -2, x = 6
B. x = 
, x = -6
C. x = - 
, x = 6
D. x = - 
, x = 12
Answer: C
Mathematics
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