Respuesta :

anonymous12345678901
6x+7+x^2+2x^2-13
Add like terms
3x^2+6x-6
jessblue77
(6x + 7 + x²) + (2x² - 13)

Add like terms:
3x² + 6x - 6

Simplify, if necessary:
3(x² + 2x - 2)