Question

factorise: 12x²y³-21x³y³​

Answer 1

HERE IS THE SOLUTION DEAR......

$\: \: \: \: \: \: 12 {x}^{2} {y}^{3} - 21 {x}^{3} {y}^{2} \\ \\ \: = 3 {x}^{2} {y}^{2} (4y - 7x)$

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Answer 2

Answer:

12x^2y^3-21x^3y^3

3x^2y^3(4-7x)