Question

(x+y+z)^3 +1 (x+y+z)^3+8x^3​

Answer 1

Step-by-step explanation:

2{(x+y+z)³] + (2x)³

(2x+2y+2z)³+(2x) ³

a³+b³=( a+b)(a²-ab+b²)

( 2x+2y+2z+2x)[(2x+2y+2z)²-2x(2x+2y+2z)+( 2x)²]

4x²+4y²+4z²-4x²-4xy-4zx +4x²

4y²+4z²+4x²-4x(y+z)