Asked by STAN NCT DREAM AND AESPA



Which expression is equivalent to `\left(4\ -\ 2x^{2}\ -\ 5x\right)+\left(5x^{2}\ -\ 9\ +\ 3x\right)`?
Answered by GPT 3.5
The equivalent expression is: `\color{blue}{9x^{2}\ -\ 2+x}`
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