3. From the sum of x²+x+1 and x2-x+1, subtract
ix-çx+1
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Answer:
Given that sum=x2+x+1+x2-x+1
=2x2+2
subtract 2x2+2-(1x-3x+1)
2x2+2-x+3x-1
2x2+2x+1
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