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jaydemarie4
Group Title
What are the real or imaginary solutions of the polynomial equation?
 2 years ago
 2 years ago
jaydemarie4 Group Title
What are the real or imaginary solutions of the polynomial equation?
 2 years ago
 2 years ago

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rahul91 Group TitleBest ResponseYou've already chosen the best response.1
put x^4=t^2 and try to solve
 2 years ago

jaydemarie4 Group TitleBest ResponseYou've already chosen the best response.0
i still don't understand..
 2 years ago

rahul91 Group TitleBest ResponseYou've already chosen the best response.1
substitute x^4 = t^2 you get t^2  41t + 400 = 0 can u solve this quadratic equation
 2 years ago

jaydemarie4 Group TitleBest ResponseYou've already chosen the best response.0
i can try i just dont understand algebra at all
 2 years ago

rahul91 Group TitleBest ResponseYou've already chosen the best response.1
just solve for t then put x^2 = t. u get x. u got it ? don't worry keep on practising and you will start loving the subject
 2 years ago

zordoloom Group TitleBest ResponseYou've already chosen the best response.0
BTW, there are 4 solutions and all of them are real. No imaginary zeros
 2 years ago

jaydemarie4 Group TitleBest ResponseYou've already chosen the best response.0
thanks you guys i will try to figure it out!
 2 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.0
try factoring \[t^241t+400=0\] it actually factors
 2 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.0
and a hint is that the two numbers whose product is 400 are both perfect squares
 2 years ago

jaydemarie4 Group TitleBest ResponseYou've already chosen the best response.0
thank you very much for your help!
 2 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.0
did you get \((t16)(t25)=0\)? if so then you go to \(x^216=0,x^225=0\) and solve both of those for \(x\)
 2 years ago

jaydemarie4 Group TitleBest ResponseYou've already chosen the best response.0
oh alrighty. thanks :)
 2 years ago
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