Question

Factorise: 18x^3 y^3 -21xy^4

Answer 1

$\red{ 18x^3 y^3 -21xy^4}$

$= 3xy^{3} ( 6x^{2} - 7y )$

Therefore.,

$\red{ 18x^3 y^3 -21xy^4}$

$\green { = 3xy^{3} ( 6x^{2} - 7y ) }$

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