Question

factorise : 12x2 - 27y2​

Answer 1

12x^2 - 27y^2

==> 3(2x^2) - 3(3y^2),

==> 3(2x^2- 3y^2),

==> 3(2x-3y)(2x+3y),

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Answer 2

$answer \\ 12 {x}^{2} - 27 {y}^{2} \\ = 3(4 {x}^{2} - 9 {y}^{2} ) \\ = 3 (({2x})^{2} - (3 {y})^{2} ) \\ = 3((2x + 3y)(2x - 3y))$

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