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Help with Algebra help

Sarahunking
Sarahunking 


I need help figureing out what the answer is to this problem. P(x)=-x^2+110x-1,000 using the quadratic formula with P being 5, 50, 120. I don't understand how to do it so if you could show your work I would greatly apprectiate it. THanks. Attachments
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Quadratic Equation

Seeker
Seeker 



The attachment contains step by step answer to problem.

When P = 5, x=-2 and x=-20
...
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quadraticEquations.docx (16 K) Download Preview
2 50??= -110±90 2 50??= -20 2 ?????? 50??= -200 2 50??=-10 ?????? 50??=-100 ??=-.2 ?????? ??=-2 P=120 120x= -110± 110 2 -4*1*1000 2*1 120??= -110± 12100-4000 2 120??= -110± 8100 2 120??= -110±90 2 120??= -20 2

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Mathematics_Expert
Mathematics_Expert 



Here are the step by step full explanations for you so that you can get it cleared. Attachments Screenshots
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