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24 August, 18:09

Solve by completing the square. w2 - 8w - 39 = 0 Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth. w = [ ] or w = [ ]

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  1. 24 August, 18:32
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    4+√55 = 11.42

    4-√55 = - 3.42

    Step-by-step explanation:

    w² - 8w - 39 = 0 w² - 2*4w + 16 - 55=0 (w-4) ²=55 w-4=√55 ⇒ w = 4+√55 = 11.42 w-4 = - √55 ⇒ w = 4-√55 = - 3.42
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