Question

Solve each of the following equations by using the method of completing the square.
x²+8x-2=0

Answer 1

Step-by-step explanation:

Step-by-step explanation:

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Answer 2

Answer

x^2+8x - 2 = 0

=> x^2+8x=2

=>x^2+ 2× x×4 +4^2 =2 + 4^2

=>(x+4)^2 = 2 + 16

=>(x+4)^2 =18 .

=>(x+4)= +- 3 root 2 .

=>x+4=3 root 2 or => x+4= - 3 root 2 .

=> x = -4 + 3root 2 or x = -(4+3 root 2)

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