Question

3xz (x+y+z) from 4z (-x+y+z)​

Answer 1

= z(-4x - 4y + 4z - 3x² - 3xy - 3xz)

Explanation:

subtract 3xz(x + y + z) from 4z(-x + y + z)

-4xz + 4yz + 4z² - (3x²z + 3xyz + 3xz²)

= -4xz + 4yz + 4z² - 3x²z - 3xyz - 3xz²

= z(-4x - 4y + 4z - 3x² - 3xy - 3xz)