tinkerstinker313 tinkerstinker313

12-02-2022
Mathematics

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Solve for x in the equation 3x2 - 18x+5=47.

Solve for x in the equation 3x2 18x547 class=

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goddessboi goddessboi

12-02-2022

Answer:

[tex]x=3\pm\sqrt{23}[/tex]

Step-by-step explanation:

Complete the Square

[tex]3x^2-18x+5=47\\\\3x^2-18x-42=0\\\\x^2-6x-14=0\\\\x^2-6x-14+23=0+23\\\\x^2-6x+9=23\\\\(x-3)^2=23\\\\x-3=\pm\sqrt{23}\\\\x=3\pm\sqrt{23}[/tex]

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