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 11 months ago
check for extraneous solutions. (x+3)^1/21=x
Please show me step by step on how to do this. Thankyou.
 11 months ago
check for extraneous solutions. (x+3)^1/21=x Please show me step by step on how to do this. Thankyou.

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ASAAD123
 11 months ago
Best ResponseYou've already chosen the best response.0is this your question? \[\frac{ (x+3)^1 }{ 21 }=x\]

Emily778
 11 months ago
Best ResponseYou've already chosen the best response.0No. It's shown exactly as I wrote it.

Emily778
 11 months ago
Best ResponseYou've already chosen the best response.0dw:1388894942412:dw

nikato
 11 months ago
Best ResponseYou've already chosen the best response.0\[(x+3)^{\frac{ 1 }{ 2 }}1=x\]

Krazete
 11 months ago
Best ResponseYou've already chosen the best response.1√(x+3)  1 = x √(x+3) = x+1 x+3 = (x+1)^2 x+3 = x^2 + 2x + 1 0 = x^2 + x  2 Quadratic Equation: x = ( 1±√(1^2  4(2)) ) / 2 x = (1±3)/2 x=1 OR x=2 Check by plugging in: √(1+3)  1 = 1 21=1 Correct √(2+3)  1 = 2 11 = 2 Incorrect Therefore: x=1 only

Emily778
 11 months ago
Best ResponseYou've already chosen the best response.0is that all? jeez, thanks Lol
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