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nataly862011 [7]
2 years ago
10

Which polynomial represents the sum below (x^8 + 2x^4 + 1) + (2x^4 + x^2 + 1)

Mathematics
1 answer:
Serggg [28]2 years ago
5 0

To add the polynomials \tt {x}^{8}  +  {2x}^{4}  + 1 and \tt {2x}^{4}  +  {x}^{2}  + 1 let us first combine the like and unlike terms and add them :

=\tt  {x}^{8}  +  {2x}^{4}  + 1 + \tt {2x}^{4}  +  {x}^{2}  + 1

= \tt {x}^{2}  +  {x}^{2}   +  {x}^{2} +  {x}^{2}  +  {2x}^{2}  +  {2x}^{2}  +  {2x}^{2}  +  {2x}^{2} +  {x}^{2}  + 1 + 1

=\tt  {13x}^{2}  + 2

<h3>○=> Therefore :</h3>

\color{hotpink} = \tt  {x}^{8}  +  {2x}^{4}  + 1 + \tt {2x}^{4}  +  {x}^{2}  + 1 \color{plum}=  {13x}^{2}  + 2

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