LillyonaN448165 LillyonaN448165

03-11-2022
Mathematics

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find al the solutions for x.9. 8x2+19 = 54 +3x

find al the solutions for x9 8x219 54 3x class=

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DariellaR455512 DariellaR455512

03-11-2022

8x^2 + 19 = 54 + 3x^2

Solving for x:

8x^2 - 3x^2 = 54 - 19

5x^2 = 35

x^2 = 35/5 = 7

x^2 = 7

x = sqrt(7) = 2.6458

x = -sqrt(7) = -2.6458

Answer:

It has two solutions:

x = 2.6458 and x = -2.6458

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