tonyparker9
tonyparker9
08-10-2020
Mathematics
contestada
(-7x^2+5x+4)+(9x^2-2x-6)+(3x^2+4x)
Respuesta :
Gargav0424
Gargav0424
08-10-2020
Answer:
5 x^2 + 7 x − 2
Step-by-step explanation:
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