Answers

2014-03-05T20:14:26+08:00
The answer will be, 44.52346897.

88x^2 + 9x - 4 - [x(2x^2 - x + 7)]
88x^2 + 9x - 4 - (2x^3 - x^2 + 7x)
88x^2 + 9x - 4 - 2x^3 + x^2 - 7x
(-2x^3 + 89x^2 + 2x - 4)
2x^3 - 89x^2 - 2x - 4 ..
x = 44.52346897.
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