Question

Please answer quickly I dont really need to much of an explanation

Answer 1

`\begin{gathered} (-9x^2-2x)-(-9x^2-3x) \\ -9x^2-2x+9x^2+3x\text{ (Distributing)} \\ -9x^2+9x^2-2x+3x\text{ (Organizing like terms)} \\ 0+x\text{ (Operating like terms}) \\ \text{Answer is: x} \end{gathered}`