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The graph of a certain equation in the $ xy $-plane has two $x$-intercepts and a $y$-intercept at the point $ (0,b) $, where $ b>0 $. Which of the following could be the equation defined by this graph?

$ y=\left( x+2 \right) { \left( x-1 \right) }^{ 2 } $

$ y=\left( x \right) { \left( x+2 \right) }^{ 2 } $

$ y=(x+3)(x+2)(x+1) $

$ y=(x+2)(x-1) $