Respuesta :

Answer:

x= -1/4 and 8

Step-by-step explanation:

2x^2 - 8=31x -2x^2

Combine like terms and move all terms to one side:

4x^2-31x-8=0

use the quadratic formula.

(I can't type this out, but you just plug in the numbers into the formula which you can look up if you don't know it)

Find the length of the arc. Round to the nearest tenth?.
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