Respuesta :

Space

Answer:

-2x² + 15

Step-by-step explanation:

Step 1: Add like terms

4x² - 6x² = -2x²

-10x + 10x = 0

12 + 3 = 15

Step 2: Rewrite

-2x² + 15

abdulmajeedaziz96

[tex](8 - 10x + 3) + ( - 12 + 10x + 12)[/tex]

[tex](11 - 10x) + (10x)[/tex]

[tex] 11 - 10x + 10x[/tex]

[tex] = 11[/tex]

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