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OpenStudy (anonymous):
last 1 I need help with; Solve. x2 - 8x = 20
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OpenStudy (anonymous):
the answer would be -2, 10 right?
jhonyy9 (jhonyy9):
x_1,_2=(8+/- sqrt64+80))/2 =(8+/- 12)/2 = -4/2 =-2 and 20/2=10 - so yes you are right
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