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Find the root of the problem 

√5x^2 - (8√5 +10)x + (20√5 +40) = 0

 

 

Thank you for those who answered!laugh

 Jun 1, 2019
 #1
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√5x^2 - (8√5 +10)x + (20√5 +40) = 0

 

5x2(85+10)x+(205+40)=05=wwx2(8w+10)x+(20w+40)=0

a                   b                            c

x=8w+10±(8w+10)24(w)(20w+40)2wx=8w+10±64w2+160w+10080w2160w2wx=8w+10±10016w22wx=8w+10±(10+4w)(104w)2w w=5x=27,88854±204,472136

x1=7,23607x2=5,23607

laugh  !

 Jun 1, 2019

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