Question

find product of following
​

Answer 1

$\huge\mathfrak\red{\underline{\underline{Answer}}}$

$(x + 3)( {x}^{2} - 3x + 9)$

$x( {x}^{2} - 3x + 9) + 3( {x}^{2} - 3x + 9)$

${x}^{3} - 3 {x}^{2} + 9x + {3x}^{2} - 9x + 27$

${x}^{3} + 27$

Answer 2

Answer:

(x+3)(x²-3x+9)=x³-3x²+9x+3x-9x+27=x³+27