Question

Solve : - y3 + 2yz2 - z2 , - 6y3 + 2y2z - z2 and - y2+ 2yz2 + 2z2 - 5y3​

Answer 1

Answer:

hope it helps you mate.

Step-by-step explanation:

(-y³) + (-6y³) + (-5y³) + (2yz²) + (2yz²) + (-z²) + (2z²) + (2y²z) + (-y²)

= -12y³ + 4yz² + z² + 2y²z - y²

= -12y³ + z²( 4y + 1) + y² ( 2z -1)