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OpenStudy (anonymous):
x^2-x-72=0
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OpenStudy (anonymous):
x = 9 or x= -8
OpenStudy (anonymous):
Could you please show the work, how you got the answer.
OpenStudy (anonymous):
use the quadratic formula. Wanna see steps?
OpenStudy (anonymous):
1x2-1x-72 = (x-9)(x+8)
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