Write a related addition fact for 15-6=9

What is the solution of sqrt x+2-15=-3

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?

Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function