College Algebra
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Solve using the quadratic formula. a) x^2  7x + 12 = 0 a = 1 b = 7 x = b +/ the sr of b^2  4ac /2a 7 +/ the sr of 7^2  4(1)(12) /2a 7 +/ the sr of 49  48 /2a 7 +/ the sr of 97 /2a 7 +/ 97 /2a 90/2=45 104/2= 54 The