Question

What is the quadratic equation whose roots are -3, -1 and has a leading coefficient of 2 with X to represent the variable?

Answer 1

$f(x)=2(x+3)(x+1)\\ f(x)=2(x^2+x+3x+3)\\ f(x)=2(x^2+4x+3)\\ f(x)=2x^2+8x+6$