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OpenStudy (anonymous):
Solve 2x^2 + 20x = –38. Show your work please.
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jhonyy9 (jhonyy9):
x_1,2=(-20+/- sqrt(400-304))/4 =(-20+/- sqrt96)/4 =(-20+/- sqrt(16*6))/4 = =(-20+/- 4sqrt6)/4 = -5+/- sqrt6
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