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Mathematics, 30.12.2020 03:50 amandanunnery33

Which equation shows the quadratic formula used correctly to solve 7x2 = 9+ x for x? OX=
-11 V12-47(9)
207)
17 V-12-47)(9)
207)
OX=
-13 16-1)2+47)(9)
207)
1+ V (-1)2+407709)
207)

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