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countonme123
Group Title
quadratic equation by completing the square. check both roots . equation below
 2 years ago
 2 years ago
countonme123 Group Title
quadratic equation by completing the square. check both roots . equation below
 2 years ago
 2 years ago

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countonme123 Group TitleBest ResponseYou've already chosen the best response.1
\[x^26x=7\]
 2 years ago

countonme123 Group TitleBest ResponseYou've already chosen the best response.1
please explain each step
 2 years ago

NotTim Group TitleBest ResponseYou've already chosen the best response.0
well, first subtract 7 from both sides.
 2 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.3
take half of 6 get 3 write \[(x3)^2=7+...\] then think "3 squared is 9" write \[(x3)^2=7+9=16\] take the root, don't forget the \(\pm\) get \[x3=\pm\sqrt{16}\] \[x3=\pm4\]
 2 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.3
then solve \[x3=4\iff x=7\] or \[x3=4\iff x=1\]
 2 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.3
all the steps are there
 2 years ago

countonme123 Group TitleBest ResponseYou've already chosen the best response.1
wow i think i get it let me try it on paper
 2 years ago

countonme123 Group TitleBest ResponseYou've already chosen the best response.1
hmm thats not right
 2 years ago

countonme123 Group TitleBest ResponseYou've already chosen the best response.1
wait my mistake you got half right but there is supposed to be one more answer
 2 years ago

NotTim Group TitleBest ResponseYou've already chosen the best response.0
no...satellite gave enough I think. There's 2 values for x in his answer. I dont think there's a third one is a trinomial like this.
 2 years ago

countonme123 Group TitleBest ResponseYou've already chosen the best response.1
you are right my bad again i didnt see or
 2 years ago
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