Use the quadratic formula to solve the quadratic equation.
-$5 z ^ { 2 } = \frac { 5 } { 2 } z + 1$
A) $z = \frac { 5 \pm \sqrt { 105 } } { 10 }$
B) $z = \frac { - 5 \pm \sqrt { 105 } } { 20 }$
C) $z = \frac { - 5 \pm \sqrt { 65 } } { 10 }$
D) $z = \frac { 5 \pm \sqrt { 105 } } { 20 }$

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The Answer of Use the quadratic formula to solve the quadratic equation.
-$5 z ^ { 2 } = \frac { 5 } { 2 } z + 1$
A) $z = \frac { 5 \pm \sqrt { 105 } } { 10 }$
B) $z = \frac { - 5 \pm \sqrt { 105 } } { 20 }$
C) $z = \frac { - 5 \pm \sqrt { 65 } } { 10 }$
D) $z = \frac { 5 \pm \sqrt { 105 } } { 20 }$

Use the Quadratic Formula to Solve the Quadratic Equation 5z2=52z+15 z ^ { 2 } = \frac { 5 } { 2 } z + 15z2=25​z+1

Use the Quadratic Formula to Solve the Quadratic Equation $5 z ^ { 2 } = \frac { 5 } { 2 } z + 1$