SYNTHETIC DIVISION I NEED HELP HERES THE PHOTO!!

The polynomial function of least degree with a leading coefficient of 1 is: f(x) = x3 + ax2 + bx + c

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2