diamond6052 diamond6052

21-12-2020
Mathematics

contestada

if ZDCE is an obtuse angle. CF bisects ZDCE.MZDCF = 2? + 4 and m DCE = 3z? – 7x, what is the value of x?
X =

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tpierce23 tpierce23

21-12-2020

Answer:

x=2.345208,−2.345208

Step-by-step explanation:

x²+4=3x²−7

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