anonymous
  • anonymous
Solve & PLS HELP!!! PLEASE 1/4t^3-16t=0
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
do you mean like... \[\LARGE \frac{1}{4}t^3-16t=0\]
anonymous
  • anonymous
Yes
anonymous
  • anonymous
factor out a T first

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anonymous
  • anonymous
then you have the difference of two squares... can you factor it now?
anonymous
  • anonymous
Not really...
anonymous
  • anonymous
\[\LARGE t\cdot(\frac14 t^2-16)=0\] now you have t=0 or (1/4)t^2-16=0
anonymous
  • anonymous
Wah???
anonymous
  • anonymous
\[\LARGE \frac {t^2}{4}=16 \longrightarrow t^2=64\] \[\LARGE t=\pm \sqrt{64}\] so you have three solutions... t=0 t=8 t=-8
anonymous
  • anonymous
But isn't it supposed to be two solutions?
anonymous
  • anonymous
not in this case... only when you have quadratic equation... here you have t^3
anonymous
  • anonymous
O ok then thanks
anonymous
  • anonymous
Never mind, Glad to help )

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