Question

factorise the polynomial :-
8x^3+27^3+z^3-18xyz​

Answer 1

Step-by-step explanation:

(2x)³ + (3y)³ + (z)³ - 3(2x)(3y)(z)

= (2x+3y+z) {(2x)²+(3y)²+(z)² - (2x)(3y)-(3y)(z)-(z)(2x)}

= (2x+3y+z) {4x² + 9y² + z² - 6xy - 3yz - 2zx }