Nazanin1 Nazanin1

09-05-2016
Mathematics

contestada

Which of the following correctly completes the square for the equation below? x2 + 6x = 22

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09-05-2016

take 1/2 of x coeficient an square it
6/2=3
3^2=9
ad 9 to both sides
becomes (x+3)^2=22+9

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