Question

factorise 125 Cube + 27 y cube + 8 Z cube minus 90 x y z​

Answer 1

Answer:

(5x+3y+2z)

(25x^2+9y^2+4z^2-15xy-6yz-10xz)

Step-by-step explanation:

125x^3 + 27y^3 + 8z^3 - 90xyz

= (5x)^3 + (3y)^3 + (2z)^3 - 3.5x.3y.2z

= (5x+3y+2z)

(25x^2+9y^2+4z^2-15xy-6yz-10xz)