What is the formula to find roots of quadratic equation ax²+bx+c = 0
b ± √(b²-4ac) / 2a
b ± √(b²-4ac) / 2a
-b ± √(b²-4ac) / 2c
-b ± √(b²-4ac) / 2b
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The formula is -b±√b²-4ac/2a
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