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icalibear
 one year ago
sqrt 3a+ 1 = a3 Solve for a
icalibear
 one year ago
sqrt 3a+ 1 = a3 Solve for a

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icalibear
 one year ago
Best ResponseYou've already chosen the best response.0\[\sqrt{3a+1}= a  3\]

egbeach
 one year ago
Best ResponseYou've already chosen the best response.0how do you get rid of a square root?

icalibear
 one year ago
Best ResponseYou've already chosen the best response.0square root both sides?

icalibear
 one year ago
Best ResponseYou've already chosen the best response.0i mean square both sides

egbeach
 one year ago
Best ResponseYou've already chosen the best response.0correct. what do you get when you do that?

icalibear
 one year ago
Best ResponseYou've already chosen the best response.0\[3a + 1 = a^2 + 9\]

egbeach
 one year ago
Best ResponseYou've already chosen the best response.0you should actually get \[3a+1=\left( a3 \right)^{2}\] you want to square it all together

icalibear
 one year ago
Best ResponseYou've already chosen the best response.0oh okay, and then FOIL that?

egbeach
 one year ago
Best ResponseYou've already chosen the best response.0yep what do you get after you FOIL?

icalibear
 one year ago
Best ResponseYou've already chosen the best response.0\[(a  3)(a3)\] \[a^2  3a  3a + 9\] \[a^2  6 + 9\]

egbeach
 one year ago
Best ResponseYou've already chosen the best response.0okay good. so now the whole equation is \[3a+1= a ^{2}6a+9\] Now set the eqation to 0

icalibear
 one year ago
Best ResponseYou've already chosen the best response.0\[a^2  6a + 9  3a  1 = 0\]

icalibear
 one year ago
Best ResponseYou've already chosen the best response.0\[a^2  9a + 10 = 0\]

icalibear
 one year ago
Best ResponseYou've already chosen the best response.0oh i thought it wa 9  (1)

icalibear
 one year ago
Best ResponseYou've already chosen the best response.0\[a^2  9a + 8 = 0\]

egbeach
 one year ago
Best ResponseYou've already chosen the best response.0yep. can you factor it out by yourself or do you need help?

icalibear
 one year ago
Best ResponseYou've already chosen the best response.0do i use an 8 and a 1

icalibear
 one year ago
Best ResponseYou've already chosen the best response.0\[(a8)(a+1)\] \[(a  8) = 0\] \[a = 8\] \[(a+1) = 0\] \[a =1\]

egbeach
 one year ago
Best ResponseYou've already chosen the best response.0it should be (a1)=0 so both answers will be positive
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