Question

factorise with the help of formula​

Answer 1

Answer:

this is the answer . i hope it's helpful

Answer 2

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$x {}^{6} + 27$

$(x {}^{2} ) {}^{3} +( 3) {}^{3}$

Using Formula,

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

$(x {}^{2} ) {}^{3} + (3) {}^{3} \\ =( x {}^{2} + 3)((x {}^{2} ) {}^{2} + 3 {}^{2} - x {}^{2} \times 3) \\ = (x {}^{2} + 3)(x {}^{4} + 9 - 3x {}^{2} )$

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