Part I: Evaluate and simplify the following.
1. x2+3y =
2. 3x+4z2=
3. 5z3=
4. 2x2+3y3+5z =
5. 5x(2xyz) =
Let x=3, y=4, and z=-5



paki sagot lng po ng maayos.( ꈍᴗꈍ)​