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

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ASAAD123Best ResponseYou've already chosen the best response.0
is this your question? \[\frac{ (x+3)^1 }{ 21 }=x\]
 3 months ago

Emily778Best ResponseYou've already chosen the best response.0
No. It's shown exactly as I wrote it.
 3 months ago

Emily778Best ResponseYou've already chosen the best response.0
dw:1388894942412:dw
 3 months ago

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

KrazeteBest 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
 3 months ago

Emily778Best ResponseYou've already chosen the best response.0
is that all? jeez, thanks Lol
 3 months ago
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