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OpenStudy (anonymous):
can anyone Use the technique of completing the square to transform the quadratic equation into the form (x + c)2 = a. 5x2 – 100x + 455 = 0
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OpenStudy (anonymous):
5(x^2-20x+91)=0 5[(x-10)^2-100+91]=0 5[(x-10)^2-9]=0 5(x-10)^2-45=0 (x-10)^2=9
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