Question

Add the following polynomials
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Answer 1

Answer:

=3-3+1-2y-y+3y^2+2y^2+y^2+8y^3-y^3+4y^4

=1-2y-y+3y^2+2y^2+y^2+8y^3-y^3+4y^3

=1-3y+6y^2+7y^3+4y^4