Question

(3×^2 + 2× + 5) - (2×^2 + 5x + 2)

Answer 1

$\begin{gathered} (3x^2+2x+5)-(2x^2+5x+2) \\ open\text{ the bracket by multiply with -1} \\ 3x^2+2x+5-2x^2-5x-2 \\ 3x^2-2x^2+2x-5x+5-2 \\ x^2-3x+3 \end{gathered}$