factorise 8x^4y+27xy^4
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Step-by-step explanation:
xy ( 8x³ + 27y³ )
xy {(2x)³ + (3y)³}
xy (2x + 3y) { (2x)² - (2x)(3y) + (3y)² }
xy (2x + 3y) ( 4x² - 6xy + 9y² )
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