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OpenStudy (anonymous):
Which of the following equations has only one solution? 1) x2+ 4x + 4 = 0 2) x2+ x = 0 3) x2- 1 = 0
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OpenStudy (blurbendy):
What do you get when you factor the first one?
OpenStudy (blurbendy):
@Gabriella77
OpenStudy (anonymous):
x2+4x+4=0 >> 6x = -4 >> x =-4/6
OpenStudy (blurbendy):
no, the expression is x^2 + 4x + 4 = 0 not 2x + 4x + 4 = 0 see the difference?
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