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Mashutka [201]
3 years ago
14

(x^2+78x)^1/5=3 Help?

History
1 answer:
Law Incorporation [45]3 years ago
6 0
<span> x =(-78+√6144)/2=-39+16√<span> 6 </span>= 0.192
</span>Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation : 

                    <span> (x^2+78*x)^1/5-(3)=0 
</span><span> x2 + 78x Simplify ———————— 5 </span>

Pull out like factors :

  <span> x2 + 78x</span>  =   x • (x + 78) 

<span>x • (x + 78) ———————————— - 3 = 0 5 </span>
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