Respuesta :

we have the expression

[tex](5x^2-4x+2)+(3x^2+9x-8)[/tex]

step 1

Group similar terms

[tex]\begin{gathered} (5x^2+3x^2)+(-4x+9x)+(2-8) \\ Combine\text{ like terms} \\ 8x^2+5x-6 \end{gathered}[/tex]

The answer is option A

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