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OpenStudy (anonymous):
What are the roots of the quadratic equation x2 − 2x + 4 = 8x – 21?
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OpenStudy (help!!!!):
factor out or use quadratic equation
OpenStudy (bradely):
x^2 − 2x + 4 = 8x – 21? x^2 − 10x +25 =0 (x-5)^2=0 x=5,5 Source: http://www.mathskey.com/question2answer/
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