1011557 1011557

07-07-2020
Mathematics

contestada

Add: (−2x^2 + 9x − 3) + (7x^2 − 4x + 2)

Respuesta :

megan2206 megan2206

07-07-2020

Answer:

5x^2+5x-1

Step-by-step explanation:

-2x^2+9x-3+7x^2-4x+2=5x^2+5x-1

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