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​Use completing square to find the solutions of the equations.

Algebra
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Use completing square to find the solutions of the equations.

a. x^2+2x-2=0                      b. x^2-6x=1

Dec 15th, 2014

x2+2x+1=3                

(x+1)2 = (√3)2

x+1 = ±√3

x= -1±√3


x2-6x+9 =10

(x-3)2 =(√10)2

x-3 =  ±√10

x= 3 ±√10


Dec 15th, 2014

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Dec 15th, 2014
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Dec 15th, 2014
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