Question

x ^ 2 - 5 - 2x - 3 + 5 + 4x - x ^ 2

Answer 1

Given equation can be wsimplified as,

$\begin{gathered} =x^2-5-2x-3+5+4x-x^2 \\ =x^2-x^2-2x+4x-5+5-3 \\ =0+2x+0-3 \\ =2x-3 \end{gathered}$

Hence, the required answer is 2x - 3.