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need_help!
 2 years ago
Find \sqrt{(4x+5)^2}
need_help!
 2 years ago
Find \sqrt{(4x+5)^2}

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need_help!
 2 years ago
Best ResponseYou've already chosen the best response.1\[\sqrt{(4x+5)^2} \]

pigrenex
 2 years ago
Best ResponseYou've already chosen the best response.1the answer is (4x + 5)

need_help!
 2 years ago
Best ResponseYou've already chosen the best response.1Actually I remember something with absolute value.. My question is: Is it like this 4x+5 or 4x+5 ?

pigrenex
 2 years ago
Best ResponseYou've already chosen the best response.1the square root and the exponent 2 are vanish

satellite73
 2 years ago
Best ResponseYou've already chosen the best response.1i think you are right, it would be \(4x+5\)

pigrenex
 2 years ago
Best ResponseYou've already chosen the best response.1idk, because if you multiply both equations, the answer is the same. ().() = (+)

pigrenex
 2 years ago
Best ResponseYou've already chosen the best response.1you could write \[\pm(4x + 5)\]

need_help!
 2 years ago
Best ResponseYou've already chosen the best response.1Yes, maybe.. I went to wolfram to check, got something weird http://www.wolframalpha.com/input/?i=sqrt%7B%284x%2B5%29%5E2%7D+++ :P Haha, thank youuuu =)

pigrenex
 2 years ago
Best ResponseYou've already chosen the best response.1but, satelite73 is not wrong. I think you can use both answers

need_help!
 2 years ago
Best ResponseYou've already chosen the best response.1Actually YES! Satellite is absolutely right :) 4x+5 is wrong. Thank you pigrenex!
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