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OpenStudy (cutiekawdfi):
help pls? what values complete each square? x^2 -6x
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OpenStudy (yb1996):
+9
OpenStudy (cutiekawdfi):
?
OpenStudy (yb1996):
x^2-6x+9
OpenStudy (yb1996):
equals (x-3)^2
OpenStudy (cutiekawdfi):
how did you get that
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OpenStudy (yb1996):
you take half of the value of the coefficient which is in from of x, then you square it So, in this case, you take half of 6, which is 3, then you square 3 which is 9.
OpenStudy (yb1996):
*in front of x
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