Question

3. Simplify (432 +92 + 2) + (-212 + 2.1 – 3).

Answer 1

3.

Add the x squares

Add the x's

Add the numbers

Shown below:

`\begin{gathered} (4x^2+9x+2)+(-2x^2+2x-3) \\ =4x^2-2x^2+9x+2x+2-3 \\ =2x^2+11x-1 \end{gathered}`

This is the final answer.