please solve

Asked by nmenghani | 10th May, 2010, 10:14: PM

Expert Answer:

x2 - 2x - 8 = 0

x = [2±(4 + 4x8)]/2 = 4, -2.

The roots are 4 and -2. If any other values of x are required such that x2 - 2x - 8 >0, then try 5, 6 ... or -3, -4.

Regards,

Team,

TopperLearning.

Answered by  | 12th May, 2010, 06:48: PM

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