Question

Find the sum of 5x3 -4x and 8x + 8.

Answer 1

We must find the sum of the polynomials:

`\begin{gathered} p(x)=5x^3-4x, \\ q(x)=8x+8. \end{gathered}`

The sum of the polynomials give:

`p(x)+q(x)=(5x^3-4x)+(8x+8)=5x^3+4x+8.`

Answer

`5x^3+4x+8`