The answer is 3x²
It’s actually pretty easy. If you have to like terms (in this case, they both have x²) then you just add the number in the front, or the coefficients! If it doesn’t have a number at the front ALWAYS assume it’s one.
2+1=3
2x²+(1)x²=3x²
The value of 2x² plus x² is; 3x².
According to the question;
The polynomial to be added are;
Hence;
Read more on polynomial addition;
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