Which shows the correct substitution of the values a, b, and c from the equation 0 = - 3x2 - 2x + 6 into the quadratic formula? Quadratic formula: x = StartFraction negative b plus or minus StartRoot b squared minus 4 a c EndRoot Over 2 a EndFraction x = StartFraction negative (negative 2) plus or minus StartRoot (negative 2) squared minus 4 (negative 3) (6) EndRoot Over 2 (negative 3) EndFraction x = StartFraction negative 2 plus or minus StartRoot 2 squared minus 4 (negative 3) (6) EndRoot Over 2 (negative 3) EndFraction x = StartFraction negative (negative 2) plus or minus StartRoot (negative 2) squared minus 4 (3) (6) EndRoot Over 2 (3) EndFraction x = StartFraction negative 2 plus or minus StartRoot 2 squared minus 4 (3) (6) EndRoot Over 2 (3) EndFraction
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