SOLUTION: Perform the operations. -[3z^2+2z-(2z^2-5z)]+[(7z^2-[5z-z^2])+2z^2]

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Perform the operations. -[3z^2+2z-(2z^2-5z)]+[(7z^2-[5z-z^2])+2z^2]       Log On


   

Question 1013988: Perform the operations.
-[3z^2+2z-(2z^2-5z)]+[(7z^2-[5z-z^2])+2z^2]
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
-[3z^2+2z-(2z^2-5z)]+[(7z^2-[5z-z^2])+2z^2]
collecting like terms we get
-[z^2 + 7z] + [10z^2 - 5z] =
9z^2 - 12z