Pls help extra points and mark brainlist

2x minus y equals 6, x plus y equals negative 3

Answer asap! show all work! find the number of complex roots, the possible number of real roots and the possible rational roots of the polynomial function. then, solve for all roots. x^3 + 2x^2 + 3x + 6 = 0

Ahyperbola centered at the origin has a vertex at (-6,0) and a focus at (10,0)