Question

Expand
$(x + 2y + 4z){3}$
​

Answer 1

Answer:

${(x + 2y + 4z)}^{3} \\ = {x}^{3} + 8 {y}^{3} + 64 {z}^{3} + 3(x + 2y)(2y + 4z)(4z + x)$

Hope you understand it

Have a good day