22-06-2017
Mathematics

contestada

help me!! i will give brainiest! Complete the square on the following quadratic

x^2+16x+9=0

what value is added to both sides of the equation.

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namilyne namilyne

22-06-2017

X1=(-16√16^2-4*1*9)/(2*1) = (-16 - 2*√55)/ 2=-15.416

X2=(-16+√16^2-4*1*9)/(2*1) = (-16+2*√55)/2=-0.584

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