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What are the real or imaginary solutions of the polynomial equation?
 one year ago
 one year ago
What are the real or imaginary solutions of the polynomial equation?
 one year ago
 one year ago

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rahul91Best ResponseYou've already chosen the best response.1
put x^4=t^2 and try to solve
 one year ago

jaydemarie4Best ResponseYou've already chosen the best response.0
i still don't understand..
 one year ago

rahul91Best 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
 one year ago

jaydemarie4Best ResponseYou've already chosen the best response.0
i can try i just dont understand algebra at all
 one year ago

rahul91Best 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
 one year ago

zordoloomBest ResponseYou've already chosen the best response.0
BTW, there are 4 solutions and all of them are real. No imaginary zeros
 one year ago

jaydemarie4Best ResponseYou've already chosen the best response.0
thanks you guys i will try to figure it out!
 one year ago

satellite73Best ResponseYou've already chosen the best response.0
try factoring \[t^241t+400=0\] it actually factors
 one year ago

satellite73Best ResponseYou've already chosen the best response.0
and a hint is that the two numbers whose product is 400 are both perfect squares
 one year ago

jaydemarie4Best ResponseYou've already chosen the best response.0
thank you very much for your help!
 one year ago

satellite73Best 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 \(x\)
 one year ago

jaydemarie4Best ResponseYou've already chosen the best response.0
oh alrighty. thanks :)
 one year ago
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