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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