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ArTFis
Group Title
How do you solve for x?
square root of 3x + 11 = square root of 6x + 3
 one year ago
 one year ago
ArTFis Group Title
How do you solve for x? square root of 3x + 11 = square root of 6x + 3
 one year ago
 one year ago

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ArTFis Group TitleBest ResponseYou've already chosen the best response.0
\[\sqrt{3x+11} = \sqrt{6x+3}\]
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.4
Square both sides to get rid of square roots.
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.4
Then solve like you'd solve a regular equation. Finally, you must check all answers because squaring equations may introduce extraneous solutions.
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.4
dw:1360474985945:dw
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.4
dw:1360475018083:dw Now check the solution in the original equation.
 one year ago

ArTFis Group TitleBest ResponseYou've already chosen the best response.0
I understand. Thank you sir. I'll keep in mind to study and further learn this.
 one year ago

agent0smith Group TitleBest ResponseYou've already chosen the best response.0
"you must check all answers because squaring equations may introduce extraneous solutions." particularly important... and it's good to check your work in this manner, even when extraneous solutions aren't possible.
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.4
Good attitude. That's how you learn. You're welcome.
 one year ago
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