Answer
Appendix A - Ex. Set : 63 (Answer)
$2x^3 – 54$
$= 2(x – 3)(x^2 + 3x + 9)$
Work Step by Step
Appendix A - Ex. Set : 63 (Solution)
$2x^3 – 54$
$= 2(x^3 – 27)$ (Factoring out the common factor)
$= 2(x^3 – 3^3)$
$= 2(x – 3)(x^2 + 3x + 3^2)$ (Difference of Two Cubes)
$= 2(x – 3)(x^2 + 3x + 9)$