Question

please help me Guy

${x}^{4} y - {x}^{2} {y}^{3}$
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Answer 1

x2y(x2-y2)=x2y(x-y)(x+y)

Answer 2

Answer:

${x}^{4} y - {x}^{2} {y}^{3} \\ \\ {x}^{2} y( {x}^{2} - {y}^{2} ) \\ \\ = {x}^{2} y(x + y)(x - y)$