Question

x3 + 27y3 - 216z3 +54xyz.​

Answer 1

Step-by-step explanation:

(X)^3+27y^3-216z^3+54xyz

=(x)^3+(3y)^3+(-6z)^3-3(x)(3y)(-6z){by a^3+b^3+c^3-3abc=(a+b+c)(a^2+b^2+c^2-ab-bc-ca)}

=(x+3y-6z)(x^2+9y^2+36z^2-3xy+18yz+6zx)