Add:2-x-x^2;x^2+x+3;4x^2+5x+7
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Answered by
2
Answer:
2-x-x^2 + x^2+x+3 + 4x^2+5x+7
= 2+3+4x^2+5x+7
= 4x^2 + 5x + 12
Answered by
1
Answer:
Hope it helps
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