What is the quadratic equation whose roots are -3, -1 and has a leading coefficient of 2 with X to represent the variable?
\(\begin{array}{rcll} 2\cdot (x+3)\cdot (x+1) &=& 0 \\ 2\cdot (x^2+x+3x+3) &=& 0\\ 2\cdot (x^2+4x+3) &=& 0\\ 2x^2+8x+6 &=& 0 \end{array}\)