solve for x and show your steps. Is the solution extraneous? Check your work to show how you determined is the solution is extraneous or not. sqre rt.3x+12=9

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asked Oct 3, 2023 153k views

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solve for x and show your steps. Is the solution extraneous? Check your work to show how you determined is the solution is extraneous or not. sqre rt.3x+12=9

Mathematics
college

Rufus Pollock asked

by Rufus Pollock

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Given:

$\sqrt[]{3x+12}=9$

Sol:.

$\begin{gathered} \sqrt[]{3x+12}=9 \\ \text{Square both side} \\ 3x+12=81 \\ 3x=81-12 \\ 3x=69 \\ x=(69)/(3) \\ x=23 \end{gathered}$

It is a not extraneous sol.

Kunquan answered Oct 9, 2023

by Kunquan

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