jessicaquartey22 jessicaquartey22

03-11-2020
Mathematics

contestada

add (7x^2+4x-1)+(2x^2-6x+2)

Respuesta :

ynguyen4723 ynguyen4723

03-11-2020

Answer:

9x^2 - 2x + 1

Step-by-step explanation:

- collect like terms

7x^2 + 2x^2 = 9x^2

4x -6x = -2x

-1 + 2 = 1

-put together

9x^2 -2x + 1

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