Question

find the product of (x²+2xy+y²) (x+y-z)

please do it step by step​

Answer 1

Answer:

${x}^{3} + 2 {x}^{2} + xy {}^{2} + {x}^{2} y + 2xy + {y}^{3} - z {x }^{2} - 2xz - z {y}^{2}$

${x}^{3} + {y}^{3} + (2 + y - z)x {}^{2} + (x - z) {y}^{2} + (y - z)2x$