$3(x^2+4x+5) - (4x^2+3+2x)$ <br> Which of the following is equivalent to the expression above ?

Question

$\begin{array}{1 1} (a)\;x^2-10x-12 \\(b)\; -x^2+10x-12 \\(c)\; -x^2+10x+12 \\ (d)\; x^2+10x+12\end{array}$