Which equation has the components of 0 = x2 – 9x – 20 inserted into the quadratic formula correctly? x = StartFraction negative
9 plus or minus StartRoot (negative 9) squared minus 4(1)(negative 20) EndRoot Over 2(1) EndFraction x = StartFraction 9 plus or minus StartRoot (negative 9) squared minus 4(1)(20) EndRoot Over 2(1) EndFraction x = StartFraction 9 plus or minus StartRoot (negative 9) squared minus 4(1)(negative 20) EndRoot Over 2(1) EndFraction x = StartFraction negative 9 plus or minus StartRoot (negative 9) squared + 4(1)(negative 20) EndRoot Over 2(1) EndFraction