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find the appropriate solution

8.5p∧2-2.68p=8.65

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Michael F. | Mathematics TutorMathematics Tutor
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8.5p∧2-2.68p=8.65
I assume you mean find the approximate solution.  Using the quadratic formula we get
p=(2.68±√(2.682-4×8.5×(-8.65)))/17
p=1.178675782, or -0.863381665