Points A B and C are collinear. Point B is between A and C.
AB=x+15
AC 27
BC = 18+x

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

The parabola opens: y=√x-4 (principal square root) up down right left

What can you determine about the solutions of this system