Question

Add.
(x^5 + 7x^3 – 9) + (4x^5 – 2x^3 + 13)

5x^5 + 5x^3 + 4

4x^5 – 5x^3 – 4

4x^5 + 9x^3 + 22

5x^5 + 9x^3 – 22

I got 5x^5-5x^3+4. Idk what I did wrong so yeah.

Answer 1

add the coefficients of the corresponding terms

Answer 2

(x^5 + 7x^3 – 9) + (4x^5 – 2x^3 + 13) =
5x^5 + 5x^3... that's ur mistake

Answer 3

7x^3 + (-2x^3) is +5x^3

Answer 4

Oh okay.

Answer 5

So it would be the first choice.

Answer 6

yea

Answer 7

@Agent47 Tyvm :)