Question

help please :)

Answer 1

Add.
(x5 + 7x3 - 9) + (4x5 - 2x3 + 13)

Answer 2

5x5 + 5x3 + 4
4x5 - 5x3 - 4
4x5 + 9x3 + 22
5x5 + 9x3 - 22

Answer 3

A

Answer 4

you're just giving me the answer not even gonna explain? O.o @Mertsj

Answer 5

x^5 and 4x^5 are like terms. Add them by adding the coefficients. The coefficients are 1 and 4

Answer 6

7x^3 and -2x^2 are like terms. Add them by adding the coefficients which are 7 and -2.
7+-2=5 so 7x^2+(-2x^3)=5x^3

Answer 7

Add the constant terms which are -9 and 13. -9+13=4

Answer 8

thank you
:)