Question

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$x {}^{3} + 27y { }^{3}$
plz correct✔ ans....​

Answer 1

Solutions→

$\implies \: x {}^{3} + 27y {}^{3}$

can we be written as

$\implies \: x {}^{3} + (3y) {}^{3}$

we know that formula of

$\implies \pink{a {}^{3} + b {}^{3} = (a + b)(a {}^{2} + b {}^{2} - ab) \ }$

$\implies \:( x + 3y)(x {}^{2} + (3y) {}^{2} - x.3y \\ \\ \implies \: (x + 3y)(x {}^{2} + 9y {}^{2} - 3xy)$

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thanks

Answer 2

Answer:

${x}^{3} + {27y}^{3} \\ (x + y)( {x}^{2} - 3xy + {9x}^{2} )$