Perform the operation.
2x 2 −6x−5)+(−9x 2 +5x−4)
To perform the operation, we need to add like terms.
First, let's rewrite the expression with the like terms together:
(2x^2 - 6x - 5) + (-9x^2 + 5x - 4)
Now, let's add the coefficients of the like terms:
(2x^2 - 9x^2) + (-6x + 5x) + (-5 - 4)
Simplifying further:
-7x^2 - x - 9