Arrange the polynomials.

a) [[$ x - 7 + x^2 $]]

b) [[$ 5b^2 - 5 + a^2 $]]

c) [[$ a^3 - 3u + 4u^2 - 2u^4 $]]

d) [[$ 5b + 7 + b^3 $]]

Take a picture of your solution and return it to the submission folder.

Solution