Respuesta :

mhanifa

Answer:

  • x² + 9

Step-by-step explanation:

Add:

  • 4x² - 2x + 6 + 2x² + 4x - 1 = 6x² + 2x + 5

Subtract:

  • 6x² + 2x + 5 - 5x² - 2x + 4 = x² + 9
kamilmatematik100504

Answer:  [tex]\large \boldsymbol {\sf x^2+9 }[/tex]

Step-by-step explanation:

[tex]1) \\\\ \large \boldsymbol {} \sf 4x^2-2x+6 \\ + \\ \underline{2x^2+4x-1} \\\\6x^2+2x+5[/tex]          [tex]2) \\\\ \large \boldsymbol {} \sf 6x^2+2x+5 \\-\\ \underline{5x^2+2x-4} \\\\x^2+9[/tex]

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