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Mathematics 21 Online
OpenStudy (anonymous):

What number must be added? x^(2)-0.2x+___ Thx..

OpenStudy (anonymous):

x^2+2(x)(-1/10)+(-1/10)^2 (x-1/10)^2

OpenStudy (anonymous):

Answer is 1/10

OpenStudy (amistre64):

take the middle coefficient; half it and square it

OpenStudy (anonymous):

@ Vengeance921, it's actually wrong.. they want in Decimals or integer. Thx.. ;)

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