riascosmaira177 riascosmaira177

20-11-2020
Mathematics

contestada

(5x – 3 – x²) + (8x^2– 1+x)

Respuesta :

Izzy1974 Izzy1974

20-11-2020

Answer:

7x^2+6x-4

Step-by-step explanation:

(-x^2+5x-3)+(8x^2+x-1)

Just combine like terms.

-x^2+8x^2= 7x

5x+x= 6x

-3-1= -4

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