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x2+4×x=1

 Mar 26, 2015

Best Answer 

 #2
avatar+118696 
+5

x2+4x=1x2+4x+1=0

Use the quadratic formula :)

 

x2+4×x+1=0{x=32x=32}{x=3.7320508075688773x=0.2679491924311227}

.
 Mar 27, 2015
 #1
avatar+10 
0

add four on both sides 

 Mar 26, 2015
 #2
avatar+118696 
+5
Best Answer

x2+4x=1x2+4x+1=0

Use the quadratic formula :)

 

x2+4×x+1=0{x=32x=32}{x=3.7320508075688773x=0.2679491924311227}

Melody Mar 27, 2015

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