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Davidson
Mathematics
5 January, 22:24
Add: (-2x^2 + 9x - 3) + (7x^2 - 4x + 2)
+3
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Mya Martinez
5 January, 22:33
0
5x^2+5x-1
Step-by-step explanation:
-2x^2+9x-3+7x^2-4x+2=5x^2+5x-1
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