Hi, i'm not sure if this in the right section so apologies if its not.
Last edited by oli212; Mar 2nd 2008 at 03:24 PM.
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Originally Posted by oli212 Hi, i'm not sure if this in the right section so apologies if its not. I need to solve the X value for the following equation: 4500 = -5X² + 390X – 30. Not sure how to go about this. Any help would be greatly appreciated. Move everything to one side (aka, set to zero!) Simplify this by dividing by five. Now, use the quadratic equation.
I see, many thanks for your help!
Last edited by oli212; Mar 2nd 2008 at 03:25 PM.
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