Answer
(2 x - $y^{2}$) (x - 3$y^{2}$)
Work Step by Step
2$x^{2}$ - 7 x $y^{2}$ + 3$y^{4}$
= 2$x^{2}$ - 6 x $y^{2}$ - x $y^{2}$ + 3$y^{4}$
= 2 x(x - 3$y^{2}$) - $y^{2}$(x - 3$y^{2}$)
= (2 x - $y^{2}$) (x - 3$y^{2}$)
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