Question:

Help with a Calc Equation?

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5.5*√(x)+10000 = 3.9x

Please solve for x and show your work. 10 points to the first correct answer.

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  1. Isolate sqrt(x) and square both sides:

    30.25x = 15.21 x^2 - 78000 x + 10^8

    0 = 15.21 x^2 - 77969.75 x + 10^8

    Now use quadratic formula.

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