SAT Math Practice Question
$$\begin{aligned}& 3 x^{2}-5 x+2 \\& 5 x^{2}-2 x-6\end{aligned}$$Which of the following is the sum of the two polynomials shown above?
- A.$8 x^{2}-7 x-4$
- B.$8 x^{2}+7 x-4$
- C.$8 x^{4}-7 x^{2}-4$
- D.$8 x^{4}+7 x^{2}-4$
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