What is the range of the function x is 0 and y is 40

Solve the x in the equation x^2+14x+17=-96

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test