$\left\{ {\begin{array}{*{20}{c}}{8{x^3} - {y^3} - 3{y^2} = 5y - 4x + 3}\\{\sqrt {(2x + y + 5)} + 2x = 2}\end{array}} \right.$
Edited by truclamyentu, 27-05-2011 - 22:23.
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Edited by truclamyentu, 27-05-2011 - 22:23.
edit latex
rongden_167
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