Question

i really need an answer for this Given the polynomial 21x 4 + 3y - 6x 2 + 34 1.What polynomial must be subtracted from it to obtain 29x 2 - 7 ? 2.What polynomial must be added to it to obtain a first degree polynomial?

Answer 1

1.) 21x^4+3y-6x^2+34
-(?)
29x^2-7
21x^4+3y-6x^2+34-29x^2+7
=21x^4+3y-35x^2+41
2.) 29x^2-7
1st degree=x^1
29x^2-7+(-29x^2+x)=x-7