Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
Emily778
Group Title
check for extraneous solutions. (x+3)^1/21=x
Please show me step by step on how to do this. Thankyou.
 9 months ago
 9 months ago
Emily778 Group Title
check for extraneous solutions. (x+3)^1/21=x Please show me step by step on how to do this. Thankyou.
 9 months ago
 9 months ago

This Question is Closed

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

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

Emily778 Group TitleBest ResponseYou've already chosen the best response.0
dw:1388894942412:dw
 9 months ago

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

Krazete Group TitleBest 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
 9 months ago

Emily778 Group TitleBest ResponseYou've already chosen the best response.0
is that all? jeez, thanks Lol
 9 months ago
See more questions >>>
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.